bob pisani has a look at how cashen's predictions have panned out since 2016. >> reporter: art cashen has had a respectable track record, with usually more h mi as we enter 2014, the five-year-old k stock mark rally was continuing. >> they have cut and diced their way down to record profit margins, followed by record profit margins, followed by record profit margins. now, that can't continue. my 50-year history tells me that profit margins revert to the mean. >> repor he was a little early. but the profits recession did indeed come, but not until later that year and into 2015. going into 2015, cashen's biggest worry was china. >> the people's back of china is very concerned. and they are looking doing something to stimulate almost a way to -- i don't want to use the word force lending, but really promote lending as well as they can. and they have problems in shadow banking and they have problems in real estate. and they'll have to work their way through that. >> reporter: right again. china was the biggest story in 2015. it rocked the investing world in the late summer with a surprise