kuala lumpur since march 2014. reunion lies off the coast of madagascar but 4,000 miles from mh370's last location south of vietnamnd thousands from the remote indian ocean where underwater coast teams have concentrated efforts 15 months. treacherous seas have made that search zone extremely difficult. >> the question is how long has that part been sitting on that island. somebody will have to reverse engineer, try to backtrack where this may have float ready from. >> much of the indian ocean moves in a counter clockwise motion that could pick up debris and drop on the other side of the ocean. >>> donald trump is overseas attending a golf tournament. he prepares for next week's presidential debate. he says he's going to hostile environment. >> i'm number one, so i'm going to be there. i'm not a debater. i produce jobs. i never did that before stood at a podium and debated a large number of people. from what i heard, everyone one of them is going to come at me. i watch the shows like you do. oh hit trump. i'm saying what is this for two hours i'm going to be in the lion's den. right? >> trump recently met with ed r

kuala lumpur in march 2014. la reunion lies roughly 600 miles off the coast of madagascar. but more than 4,000 miles from malaysia 370's last known location south of vietnam. and thousands of miles from the remote southern indian ocean where underwater search teams have concentrated their efforts for roughly 15 months. treacherous seas have made that search zone extremely difficult. >> the question is how long has this park been sitting on that island? and somebody's going to have to really reverse-engineer the flow pattern of the ocean and try and backtrack where this may have floated from. >> reporter: oceanographers say much of the indian ocean moves in a counterclockwise motion that could pick up debris and drop it on the other side of the ocean. so the question is whether that is what happened. french investigators on the island are working closely with investigators from boeing as well as australia and malaysia. they now have a huge challenge as greg mentioned. try to determine how long that wing flap may have been sitting on the beach, then calculate the ocean currents to determine how far it might have traveled

s biggest rail signaling company getting the green light for the first major ipo since the mainland stock route. yvonne: also coming up this hour, that sinking feeling. delivered late and over budget, kuala lumpur's new terminal is now plagued by standing water and cracking taxiways. 49 countries agree to eliminate tariffs that generate more than $1 trillion in trade. plus, a losing bet. why korean shipbuilders are regretting their decision to go big on rigs. all that and more on this monday edition of "asia edge." juliette: asian stocks are lower. that selloff and commodities from oil to grains continues. let's have a quick look at the oil price. it has had a rebound today. it did spike a little higher. currently, the gold price around 1097. down by pretty flat on the day, but down significantly today which has had a big impact on those gold players particularly a lot of the mining stocks around the region. we've got oil and gas in china down around 2.5%. the shanghai composite is down 1.4% at the moment. the hang seng index down by more than 2%. japan went on lunch break down by 0.75%. around the rest of the region quite a lot of selling. have a quick look at some of the movers we are watching

s&p added 1.2%. despite its lack of natural snow, china's capital city won the right to host the winter 2022 olympics today. the announcement came during an elaborate ceremony in kuala lumpuria. the international olympic committee picked beijing over almaty, kazakhstan. beijing will be the first city to host both the summer and winter olympics. still to come on the newshour: a promising trial for an ebola vaccine, a prison-to-college pipeline, opening doors to higher ed for inmates and much more. now a potentially exciting development in the search for an ebola vaccine-- and to hari sreenivasan. >> sreenivasan: results of a clinical trial conducted in the west african country of guinea and published today in the medical journal "lancet" found an experimental vaccine was 75%- to-100% effective in blocking new infections of the ebola virus. the trial involved more than 7,000 people, over 3,500 of whom were vaccinated. guinea is one of three west african countries that marked the epicenter of the 2014 ebola outbreak that killed more than 10,000 people. for more on efforts to create a vaccine and on this trial, i am joined by dr. anthony fauci, director of the national institu