. u.s. health officials issue a sweeping new mandate requiring face masks to be worn on nearly all forms of public transportation. and president biden says time is of the essence for a new relief bill and if he can't find bipartisan support, democrats will go it alone. and a diplomatic death stop over vaccines as the eu makes a big u-turn after angering the uk. live from cnn world headquarters in atlanta, welcome to all of you watching around the world.

i'm kim brunhuber. this is "cnn newsroom." starting late monday, if you want to use any form of public transportation in the united states, you have to wear a mask. that is according to a cdc order issued a few hours ago. masks must be made of at least two layers of fabric and cover both the nose and mouth and until further notice, they will be required on every form of transit from airplanes to rideshare vehicles. the u.s. has now administered nearly 28 million doses of the two vaccines that have been approved, that is out of 49 million doses delivered, and there is a potential new vaccine on the horizon. johnson & johnson says that its candidate is safe and 85%

effective. johnson & johnson will apply for emergency use authorization next week and if granted, it will be third vaccine cleared in the u.s. athena jones has more. >> the results really are encouraging. >> reporter: another covid-19 could soon be available in the united states. and while data show it won't provide as much protection as other approved vaccines, experts hail the new development. >> it is a good sign. >> reporter: johnson & johnson says its vaccine was 66% overall, 72% in the u.s. and 85% against severe disease. it is delivered in a single shot and does not have to be stored frozen making distribution easier. >> there is real benefit to having a single dose vaccine and one that can be transported more easily and 85% protection against severe disease is really good. >> reporter: in contrast, pfizer and moderna vaccines were 95%

effective, but doctors say that the january son and johnson vaccine if given the green light will be a welcome addition to the tool box. >> were i not able to get the mrna vaccine, i would take it in a second. >> reporter: the big question is how well the vaccines protect against more contagious covid variants. >> in this clinical trial, no ir patients who got the vaccine had to go to the hospital and none died including across all these variants across the world. >> reporter: and those variants a growing concern as they could worsen the virus' spread adding as many as 85,000 covid deaths by may 1. >> this is a wake-up call to all of us. we will continuing to see the evolution of mutants. we'll have to be nimble to be able to adjust readily to make versions of the vaccine that are

specifically directed towards whatever mutation is actually prevalent at any given time. >> reporter: in the meantime as the u.s. averages nearly 160,000 new daily cases and 4,000 deaths reported thursday, dr. fauci says the u.s. priority is clear. >> vaccinate as many people as possible as quickly as possible. >> reporter: and that will take months. just to put it in perspective, even as new daily covid infections are on the decline, 95% of the country lives in a county that is still considered a sustained hot spot. meaning a place with high burden of covid cases and a risk of a strain on health care resources. just another sign that this virus is far from being under control. athena jones, cnn, new york. next week president biden will be working even harder to get lawmakers on board with his

relief bill. he is arguing that americans need action now. but with congress more divided than ever, mr. biden has his work cut out for him. here is kaitlan collins. >> going out to visit some of the soldiers and sailors. >> reporter: and his first full week came to a close with a visit to walter reed medical center. following an earlier meeting with his economic advisers, biden called on republicans to support his $1.9 trillion relief package. >> i support passing covid relief with support from republicans if we can get it, but the covid relief has to pass. there is no ifs, ands or buts. >> reporter: but it is struggling to get the support that he has called for and democrats appear prepared to move with or without the gop. >> if our republican colleagues decide to oppose this urgent and necessary legislation, we will

have to move forward without them. >> reporter: with the senate split 50/50, democrats have no room for error and vice president kamala harris who could break a tie was seen pitching the bill on local news in states with moderate democrats. >> the american people deserve their leaders to step up and stand up for them. >> reporter: with no bill on its way to his desk, biden has spent his first days in office putting pen to a different kind of paper. signing at least 42 executive actions to push his agenda or reverse former president trump's. biden criticized the move on the campaign trail telling donors in 2019, you can't do a lot by executive order, you can do some thing, but you can't, you need to generate a consensus. and we expect that lobbying on the coronavirus relief bill to continue throughout the week and pushing still for republican support even though he did seems increasingly you can likely. and biden will speak and go to

his first agency on monday after going to walter reed today, he will go to the state department with tony blinken to visit with them in his first appearance there at one of these agencies as he is working quickly and hopefully to get these cabinet nominees confirmed before former president trump's impeachment trial begins on capitol hill. caitlin collin, cnn, the white house. the deadly capitol hill riot on january 6 has caused deep riffs within the republican party. much of the anger is focused on congresswoman liz cheney who issued a blistering rebuke of president trump on the house floor. the latest from manu raju. >> reporter: donald trump may be gone from washington, but republicans still trying to pick up the pieces from his tumultuous tenure in office. at the center of one storm, the third ranking house republican,

liz cheney, who joined nine of her gop colleagues in voting to impeach trump sparking an effort by his staunchest defenders to oust her and defeatler in next year's wyoming primary. >> i love wyoming! >> reporter: sources say trump is obsessed with taking down cheney, even donald trump jr. calling at a rally yesterday for her defeat. >> since the people of wyoming are clearly not thrilled with liz chaireney, let's find someo who can do the job well. >> reporter: the battle could come to a head next week when republicans meet behind closed door, which many expect to turn into a venting session. >> if liz cheney is the person who suvs the most from the events on january 6 politically, it will be a very sad, sad day for the party. we can't be a party of conspiracy theories. >> reporter: and that comment a reference to marjorie taylor green who won a seat in

northwest georgia last fall despite her promotion of the qanon conspiracy theory. greene has been under fire after posts have come to light including a comment where she reiterated that massacre was a staged operation and there has been outrage over video of her harassing a parkland survivor. and those revelations including the reporting of her post showing support for executing prominent democrats in 2018 and 2019 prompting democratic calls that she be expelled from the house or at least kicked off the education and labor committee. but kevin mccarthy has been quiet. instead, attempting to get back into trump's good graces after initially saying that trump was responsible for the capitol riot. and then later walking it back. and after visiting the former president saying he wants

trump's help to take back the house in 20212. and greene expressing that she is with trump. >> president trump did not cause the attack on the capitol on january 6. >> reporter: the text spilling out in the halls of the kach with speaker nancy pelosi allowing cory bush to move her office away from greene. after the two got into an altercation in the hallway. with bush scolding green for not wearing a mask. >> don't yell at people. stop being a hypocrite. >> reporter: and the fight over liz cheney's future expected to come to a head on wednesday, the first time that republicans will have met behind closed doors for some time, they are expected to discuss the vote that she cast and other republicans to impeach donald trump, the trump defenders are indicating that they won't back down anytime soon, but cheney's defenders

believe that she ultimately will have the votes to survive in this effort to oust her from her leadership spot. that vote ultimately to oust her from her position will take time to play out, but wednesday for the first time they can clear the air in private. manu raju, cnn, capitol hill. and let's bring in julie norman who lectures on politics at the university college of london. thank you so much for joining us. i want to pick up where manu raju left off, the decision over whether to remove liz cheney from republican house leadership. how big are the stakes not necessarily for her but for the party? will that be a bellwether of sorts predicting whether this will actually be the party of trump? >> i think it will. next week we'll see for the first time how the impeachment votes and the ten republicans in the house who voted for impeachment and against trump,

how that vote will affect them. it will be first and foremost of course for liz cheney and her leadership position. even if she is not removed from the position, just the fact that she is being challenged which requires 20% of the conference to do that shows the blowback that might be coming. and at the same time, we've seen other trump supporters already on the primary trail attacking liz cheney in wyoming. and so it is a bit of a forecast for what we might see in 2022 and trump's power and grip over the party still at that point. >> yeah, i imagine what it will say if liz cheney gets more than marjorie taylor greene for instance. turning to the democrats now on the covid relief bill, joe biden ran on his ability to draw both sides together, he claimed anyway, he promised bipartisanship. but he also doesn't really want to make the mistake that he saw firsthand under the obama

administration, they got delayed, ultimately got less done and the republican party is much more radical now than it was then. so for democrats, is that their own bellwether, the first test of whether bipartisanship is just something that you talk about in campaigns? >> well, there certainly will be a test going forward with how this plays out with the relief bill. and booifrn biden knew that this was big and bold and quite frankly, he knew that it would not pass in its current form. the bill was designed to have a lot of room for compromise. they knew they couldn't get $1.9 trillion bill through in the senate at this time. so i think biden was hoping that he could work some of his bipartisan magic drawing from his experience to get some fast action on this. but the fact is, to have bipartisanship and to have the big bold bill go through, one of

those things is probably going to have to fall by the wayside. and right now, democrats have just really running up against the real challenge of can they get enough republicans on board to compromise on this bill to work through some of the points that are negotiable or will their objectwn party push them take more action. >> and part of the urgency is to get as much done before the impeachment trial. you wrote a piece called" why the democrats are continuing with trump's impeachment even if conviction now seems unlikely." so the democrat answer to that is that it is necessary for accountability. but my question for you, is it worth the political capital or if you were advising democrats, would you tell them drop impeachment, go for something simpler like censure which would get more support from republicans? >> i think that is a debate that certainly one can see certainly both sides of it. and we even see some democrats

pushing more for a censure vote that could get both parties a bit more on board. but honestly, kim, i think at this point as president biden has said, the trial really has to go forward. the house did vote to impeach. and to not hold the trial, to not have this at least exercise of accountability would also be divisive. and it is really just stuck between two hard choices. and whichever way is going to really up about half the country, we know about 90% of democrats support impeachment, about 90% of republicans oppose it, so whichever course is taken is going to disdisappoint a lar part of the country. so democrats are saying we're setting a precedence, we're going to do what we can to make a point about what happened. but it will be divisive either way you look at it. >> absolutely. well, thank you so much for joining you us, julie norman.

always appreciate it. and so far, about 175 people have been arrested for the deadly insurrection at the u.s. capitol, but one person has alluded the authorities. we'll show you new authority believed to be the individual who planted two pipe bombs the night before the assaults. p plus the fbi has caught up with online troll. details coming up. steroids. taking my treatment at home. nucala is a once-monthly add-on injection for severe eosinophilic asthma. not for sudden breathing problems. allergic reactions can occur. get help right away for swelling of face, mouth, tongue, or trouble breathing. infections that can cause shingles have occurred. don't stop steroids unless told by your doctor. tell your doctor if you have a parasitic infection. may cause headache, injection site reactions, back pain, and fatigue. ask your doctor about nucala at home. find your nunormal with nucala.

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the investigation into the capitol attack has led to conspiracy charges against at least two members of the group pride boys. for more on the investigation, here is brian todd. >> reporter: important new information about the mysterious elusive suspect believed to have planted two pipe bombs near the capitol. the fbi now says the two bombs found near democratic and republican party headquarters were placed the night before the attack on the capitol between 7:30 and 8:30 p.m. on january 5. and surveillance video obtained by the "washington post" captures what the "post" says is the suspect moments before he placed the bomb near republican headquarters that night.

>> those bombs were probably intended to distract police from the capitol to someplace else. there were probably a significant number of participants in this that knew what they were doing, pre-planned it, brought with them the equipment they needed to do what they were the attempting to do. >> reporter: the fbi also identified the suspect's shoes at nike air max speed turf shoes with enhanced photos of the shoes along with pictures of the bombs. a law enforcement official tells cnn the bombs were 8 inches long, rigged to egg timers and filled with an explosive powder. an atf official says bomb techs and robots were used to disable the explosive. >> it is all down range. so only bomb techs can go down range. so they set it up in a way where, you know, eventually we'll use the robots to do the

disruption. so i believe this is how the disruption happened. >> reporter: meanwhile on capitol hill, defense secretary lloyd austin thanking national guard troops helping guard the capitol since the riot bpolice body cam video obtained from the u.s. attorney office shows brutal hand to hand combat between rioters and officers. rioters mercilessly beating officer, one grabbing an officer's baton. and this video was played at a hearing forgs an alleged rioter who attacked with a hockey stick. at one point, a man is frantically yelling for help to save what appears to be an

injured woman. one former police chief who examined the video with us says it is surprising that more people weren't killed that day. >> if they are willing to assaults the officers like they were, then you have to assume that they are likely to carry out maybe some of the same acts of violence against unarmed politicians. >> reporter: and another harrowing account, cnn has obtained a debriefing memo from two member of the arlington county police department civil disturbance unit who arrived to treat the jushe injured. they treated eight police officers and four were unable to walk and some rioters feigned illness to remain behind police lines. brian todd, cnn, washington. and the capitol officer killed as a result of the attack will lie in honor in the building's historic rotunda tuesday and wednesday. brian sicknick died after being

hit on the head. he had served with the capitol police for more than 12 years. nancy pelosi and chum ck schume praised him. the siege was fueled by propaganda and lies, familiar territory for some trump ardent supporters that stretched back to the 2016 election. actions taken during his first campaign may have caught up by one troll arrested by the fbi. >> reporter: anonymous pro trump twitter troll unmasked, charged for interference in the 2016 election. >> this was an attack on our democracy. and you could look at him as almost liked field commander in this long standing assault on our democracy. >> reporter: federal prosecutors say that douglas mackey was arrested wednesday in west palm

beach. a reporter helped unmask him in 2018. >> douglas mackey seemed like a very arch normal upper middle class kid who grew up in a small town in vermont and ran track in high school. and then he went to middlebury college where he also ran track for a year. he graduated from college in 2011. and then he moved to new york and he took a job in the financial industry. at some point he was working for an economic consulting firm, he was fired from his job, and then he reinvented himself as one of the worst white national trolls on twitter during the 2016 election. >> reporter: according to charging documents, mackey is accused of conspiring to suppress votes and using social media to spread disinformation. telling african-american voters that they could rotvote for hily

clinton by text. and specifically rfeferenced during a hearing on the election. and amy klobuchar displayed a blown up image of the tweet. >> some contained misinformation telling voters that they could vote online which of course wasn't true. and in fact here is one of them targeted of course telling people that they could just text hillary to that number and that is how they vote. i just want people to understand what this is. efforts like there are actually criminal. they are illegal. >> reporter: a similar tweet targeted hispanic voters. ben nimo is head of investigations at a company that analyzes the spread of disinformation. >> and the kind of thing where particularly in a tight race it

can make a difference. >> reporter: nearly 5,000 people responded to the fraudulent text code allegedly discontribute by theed by mackey. >> if you conclude that all of those who were trying to vote, that is 4900 votes that are being see r. su suppressed. >> reporter: and twitter data shared by authorities suggest at least one of the apparent co-conspirators have been charged for their involvement in the january 6 insurrection. >> you had a lot of these trump supporters who had been sucking down propaganda and disinformation for years spread by many of the same people attack our capitol. >> reporter: and cnn has reached out to mackey's lawyers for comments. just like many of the insurrectionists we saw on january 6 in washington, d.c., many online trolls think that they can post online disinformation and hate without any consequences that they can

use the cloak of anonymity online to never be caught and never be held accountable for their actions. with this case of course, that may send a message that all is about to change. back to you. coming up, we'll find out why the eu was forced to back down after a spat over vaccine imports with the uk. and later on, gamestop investors were back at it on friday sending the stock soaring once again. and one of the amateur market makers will tell us why this is not only about getting rich. my plaque psoriasis... ...the itching ...the burning. the stinging. my skin was no longer mine. my psoriatic arthritis, made my joints stiff, swollen... painful. emerge tremfyant™ with tremfya®, adults with moderate to severe plaque psoriasis... ...can uncover clearer skin and improve symptoms at 16 weeks. tremfya® is also approved for adults

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welcome back to all of you

watching around the world. the u.s. could be adding another weapon to its covid fighting arsenal in the coming week. johnson & johnson says the latest trial data shows its vaccine candidate is safe and effective and it plans to apply for emergency use authorization in the u.s. next week. if cleared, it would become the third authorized in the usz, but there are new concerns as well. even though u.s. cases are slowly declining, there is growing evidence that vaccines are less effective against one of the new strains spreading in the u.s. dr. fauci says the variant could become more dominant in the u.s. by the end of march. a fight over vaccine exports has ended in an embarrassing u turning for brussels. the eu has threatened to invoke a clause that would restrict using northern ireland, but they reversed course following an outcry from governments in northern ireland, the uk and

ireland and all this is after a week which saw the eu criticize drug maker assstrazeneca over supply shortages. let's bring in professor lawrence young from birmingham, ebb gland. he is professor of molecular oncology. thank you so much for being here with us. i want to start with the good news from the two vaccine makers, novavax and johnson & johnson, about the efficacy of their vaccines. bad news, they seem to offer less protection at least against one of the variants. so how optimistic are you about the former and how worried are you about the latter? >> it is great to see more vaccines coming through and we know that the johnson & johnson and novavax are very effective against the common form of the virus and protect people from

very severe disease. so that is the good news. and i guess if you look at the some of the variants, particularly the variant kur currently circulating in south africa where the johnson & johnson part of their trial took place, there is reduced he have raes. so it is around 60%. and that was also true for the novavax vaccine. the protection from disease was 60% as compared to the 90%. so it offers some protection, which is good news, but i think we anticipated that these variants would be a bit tougher when it comes to the effectiveness of current vaccines. >> and then just you mentioned the south african variant. we're hearing now that it has the ability to reinfect. so plaisman w explain what that. >> and the variant that is of

concern is the brazilian variant. we knew that is sizable proportion of the population in that part of brazil has previously been infected. and it looks like, although it has only been con firmed in a few cases, but it looks like individuals are getting rein-frei rein reinfected. we an citicipated that it was a possibility. we've seen it with other coronaviruses particularly six months to a year post infection because the immune response wayne wains. but there is a hint that it might happen with the south african variant. >> so many variants, i'm getting confused myself. so now to the uk variant. which we're seeing more and more here in the u.s. there is new evidence now about

sort of the difference between that and some. other variants. so what makes it different and why might it be spreading so quickly? >> yeah, so we know that for all viruses, the viruses change and mutate as they grow. so when you have a very large population, the world, infected with the virus, the virus which copies itself into hundreds of thousands of copies every time it infected somebody and mistakes occur. sometimes the mistakes give the virus a bit of an advantage. what we're seeing here in real time is this virused a edadapti our bodies. and then it becomes more infectious and that is what we've experienced with the so-called uk variant. and we know which part of the virus is causing that. and that is also the same change that has occur this had both the brazilian and south african variants. so what is happening here is

almost evolution in real time of the virus, it adapts to our bodies, becomes more contagious, and sometimes also that drives changes in the way that the virus is seen by our body's immune system. >> other countries might be looking with a bit of jealousy at the uk as much as one might be able to criticize the handling of the pandemic at large in the words of one professor at university college london, vaccination is the one thing that we've gotten right, which in sharp contest to the rollout here. so what did the uk do right with vaccination and what lessons can the u.s. learn now as the biden administration is looking to sort of accelerate our vaccination program here? >> first thing, we bought into loads of different vaccines. we hedged our bets. we had our own vaccine if you like with the astrazeneca oxford group.

but we also made sure that we had insurance policies with different companies. and second thing is, we've really effectively used our national health service. so we've mobilized across the whole country the national health service to help vaccinate and we started at hospitals but now using primary care. and i think what we've learned, a big lesson we've learned from our dare i say somewhat -- our approach is that you need to decen decentralize. and so i think that helped giving the local regional national health service the tools and the support to roll out vaccination locally. >> interesting. i mean, here there was criticism because it was downloaded to the states and local, you know, municipalities and so on and they wanted a more robust

federal response. so we'll see how that works going forward here. listen, thank you so much for your time, professor young, we appreciate it. >> a pleasure, thank you. all right. so for more on what is happening in europe, let's go to melissa bell in paris. melissa, this cissue with astrazeneca, president emmanuel macron piling on. so take us through this latest blow and then we'll switch to the larger issue in which astrazeneca is also caught in the middle which led to a proposed vaccine border and then a u-turn. so explain it for us. >> basically what emmanuel macron told journalists reflects what the vaccine authority ruled on thursday, which is that there is not sufficient evidence to suggest that the astrazeneca

vaccine is efficient in over 65, this even as the european agency was looking to approve its use for over 65. and then of course now goes to the national agencies next week. so we'll find out about which countries will be going ahead with it. but of course this is in the context of an increasing allow ove row. europe has seen its vaccination programs grind to a halt. and it needs these vaccines. and it said that it will do all it can to ensure that it gets them including those export restr restrictions. it will now be looking carefully at what vaccines are leaving the eu for third countries. even when those companies are limiting their supplies to europe. so that is how strongly europe has reacted in order to ensure that it can get the much needed vaccines to its populations. >> thanks so much, melissa bell

in pair rparis, appreciate it. alexei navalny faces an important court date next week, but his attorney says the outcome is a near certainty. a live report from moscow straight ahead. i made a business out of my passion.

i mean, who doesn't love obsessing over network security? all our techs are pros. they know exactly which parking lots have the strongest signal. i just don't have the bandwidth for more business. seriously, i don't have the bandwidth. glitchy video calls with regional offices? yeah, that's my thing. with at&t business, you do the things you love. our people and network will help do the things you don't. let's take care of business. at&t. nicorette knows, quitting smoking is hard. you get advice like: try hypnosis... or... quit cold turkey. kidding me?! instead, start small. with nicorette. which can lead to something big. start stopping with nicorette

this is bob minetti and his wife wendy. in 2016, he was diagnosed with pancreatic cancer. bob participated in a clinical trial that included cutting-edge radiation therapy and surgery. he's been in remission since completion. i am so glad i learned what was possible for me stand up to cancer and lustgarten foundation are working together to make every person diagnosed

with pancreatic cancer a long-term survivor. visit pancreatic cancer collective.org. [ chanting ] >>out rage in poland over a near total ban on a abortions. thousands took part in a third night of protests despite covid restrictions against gathering. they chanted freedom, equality, abortion on demand. under the new rule, an boshlbor can only be performed in rape or when the mother's life is at risk. and according to the

kremlin, vladimir putin signed an can extension of the new s.t.a.r.t. treaty into law. the agreement covers nunk clear wea nuclear weapons and is the only treaty still between the two countries. alexei navalny's attorney says there is little doubt how the upcoming hearing will go. he has been detained setting off large protests. and matthew chance is joining from us moscow. matthew, what are we expecting to see on sunday, how big and how widespread will the protests be? >> reporter: well, according to alexei navalny's organization, the protests will be held in at least 90 cities across russia. and of course they are expecting thousands of people, if not tens of thousands to turn out. if you look back a week at the protests calling for the release

of alexei navalny, it was some of the biggest protests that russia has seen in years. and that was met with substantial force by the russian authorities, thousands of protestors were taken into custody and detained by russian police as well. so i think the entire including authorities in the kremlin is bracing for a repeat scene this weekend. that comes across after an initial hearing in the courts here in moscow to try to ask for alexei navalny the leading opposition figure to be released from his 30 day detention. he was put in prison and detained shortly after -- as soon as he arrived back to russia from germany where he had been recovering from suspected nerve agent poisoning. but that appeal was turned down. and i suppose it is fueled expectations that the kremg lynn, the russian authorities are not likely to set navalny

free anytime soon. they have come to regard him much are more seriously, as somebody who is able to you unite the various opposition factions across this country. >> president biden called on putin to release navalny. do you expect the international pressure to be ratcheted up and will it have any effect? >> reporter: well, two good questions. certainly will the pressure be ratcheted up, i think the expect tags is that it will. but you have to bear in mind what levers the community has to pull. they can go downs sanctions route and there is talk already about the possibility of imposing punitive sanctions on the russian state and individuals around vladimir putin in order to make sure that the entourage if he like feels

the consequences of putting this kind of pressure on this opposition figure. but i think that you also have to bear in mind that there have been wide scale sanctions impose against russia in various sectors of the russian economy and against individuals as well and it doesn't seem to have had any effect in terms of, you know, changing russian behavior, russian policy. so yeah, the sanctions lever is there to pull again. will it have an effect on what russia does? i think that the chances of that are pretty slim at this point. >> we'll certainly be following with you tomorrow. math thew chance in moscow, appreciate it. gamestop shares are spiking again and a amateur investors are getting rich for now. but many who are buying the stock are also hoping to change thins on wall street. we'll hear from one of them next. when you're through with powering through, it's time for theraflu hot liquid medicine.

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it has been a crazy week on wall street to say the least. the dow closed down 2% on friday and the s&p was down the same.

both are logging their first monthly losses since october. but one stock that is not listed is seeing a windfall. gamestop closed almost 70% higher on friday. the amateur investors who are buying stock in companies like gamestop are hoping for more than just a profit. they are trying to take on wall street. we spoke to one of them. >> this is my account total. at the moment. on robinhood. >> reporter: right now there is more than a million dollars sitting in his robinhood trading account, all thanks to a hugely risky bet on game top ostop oig. >> i got lucky with how it unf unfolded. >> reporter: a.j. is 31 and lives in missouri with his family in that in 2019, he started following wall street bet, a chaotic and gleefully

profane reddit. >> if you didn't know how options function they won't help you. >> reporter: soon he was trading and he had a hunch about the video game retailer gamestop. he bought 100 shares and then some options, investing about $4500 total. and then this happened. >> a new twist in the reddit fueled stock roller coaster taking the world by storm. >> reporter: now this battery store worker who makes $35,000 a year is a millionaire. at least on paper. for now. you haven't sold your stocks yet. >> i want to make more money. and i feel confident that it is going up. if it starts to run, i might see how far it goes. >> reporter: a.j. and the amateur investors he is a part of it rocked wall street. by buying up gamestop and other shares, the big hedge funds who were betting against knows stocks lost billions, just icing on the cake for a.j. >> i wasn't about the 2008 crisis.

it was kind of upsetting to see everybody get bailed out that really caused it. and nothing really happened. it is interests this time to see them on the other end. >> reporter: but a.j. is playing a risky game. plenty of folk in the read i.t community have racked up huge losses. one member described losing years of savings writing i went from a rational investor to some sick irrational gambler. but no matter how it ends, the reddit army has rattled to its core. >> this is the first time i've seen the masses be able to win this big. and i think that it will get a lot more people interested and actually getting in to the markets. >> reporter: john sarlin, cnn, new york. and one of the coldest places in europe is making a bid

to host the 2032 summer olympic games. [ speaking foreign language ] >> the tongue in cheek video from finland carries a serious message, it is designed to draw attention to climate change. now, a dozen or so cities are actually hosted in hosting the games, but the international olympic committee hasn't decided when this will choose the host. kind of hope they win. looks like fun. that wraps this hour of "cnn newsroom." for our viewers in the u.s. and canada, n"new day" is just ahea. for everyone else it is quest's world of wonder.

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another covid-19 vaccine could soon be available in the united states. johnson & johnson says its vaccine was 66% effective overall in a global phase three trial. 72% effective in the u.s. and 85% effective against a rare disease. >> we're racing against the clock to get shots in arms as new variants of the virus is spreading. >> this is a wake-up call to all of us. >> house gop leader kevin mccarthy planning to meet next week with congresswoman marjorie taylor greene. >> he has a real opportunity to actually live up to thtl