try crest whitening emulsions... ...for 100% whiter teeth. its highly active peroxide droplets... ...swipe on in seconds. better. faster. 100% whiter teeth. shop crestwhitesmile.com. dow up big as it tries to extend its rally and get back some of its september losses. one of the catalysts for those losses has been coming from china where the massive property developer evergrande is trying to dig its way out from $300 billion worth of debt. janis mackey frayer joins me now. what's the risk this company could default and even if it does why should americans care? >> reporter: well, if evergrande fails it could back china's economy the world's second largest and from there it could