former senator ted kaufman weighs in ahead.ox business. [ male announcer ] you are a business pro. omnipotent of opportunity. you know how to mix business... with business. and you...rent from national. because only national lets you choose any car in the aisle. and go. you can even take full-size or above. and still pay the mid-size price. i could get used to this. [ male announcer ] yes, you could business pro. yes, you could. go national. go like a pro. adam: welcome back, i'm adam shapiro. tracy: i'm tracy byrnes. it is a positive friday for stocks but the major up today sees are still on track for a losing week. the dow is about to break a four-week winning streak. so is it a sign of more losses to come? adam: citigroup, jpmorgan, goldman sachs, and more among the many banks paying millions of dollars in sellments, sometimes admitting noing were doing. does the punishment fit the crime or are the banks getting off with a bargain? we'll take a closer look ahead. tracy: one ceo says, make no mistake, raising the minimum wage

adam: ted kaufman, former senator from delaware. appreciate you joining us.is an issue that a lot of people want to see results, and it is it -- i am grateful yet been you with us. >> inky. adam: tensions escalate on the korean peninsula. dr. rhea aiming its rocket arsenal at the united states south korea. what will that cost the u.s.? what will it cost us to increase intimidation of number three even further? details next. plus to let new york city makes big misses go whale. it will soon force small business to give paid sick leave to workers. should more cities follow the big apple's lead? we will fall to five debate this issue coming up. can you ever have to much "money"? ♪ [ rosa ] i'm rosa and i quit smoking with chantix. when the doctor told me that i could oke for the firsweek... i'm like...yeah, ok... little did i know that one week later i wasn't smoking. [ male announcer ] along with support, chantix (vanicline) is proven to help people quit smoking. it reduces the urge to smoke. some people had changes in behavior, thinking or mood, hostilityagitat

but regulators and lawmakers like senator ted kaufman of delaware have other concerns. >> clearly, liquidity's up. but what i say is, liquidity's always trumped by transparency and fairness. you can't have fairness if you don't have transparency. >> senator kaufman, who has both business and engineering degrees, says he's a big fan of technology, but he thinks it's gotten way ahead of financial regulators' ability to monitor it. right now, it's not even possible to determine for sure who is making high-frequency trades or what they're telling their computers to do. >> we do not know what's going on inside those boxes. there's all types of allegations about what's going on inside there. and basically what can happen is, you can have these meltdowns where you can have a computer just go crazy and cause all kinds of problems. >> come on! >> which takes us to the mini crash on may 6, 2010, and one of the scariest rides in stock market history, when the dow industrials at one point plunged 600 points for no apparent reason. turns out it was triggered when a mutual fund's computer dumped $4.1 billio