President Trump predicted Saturday an "unprecedented" stock market crash he's not winning his reelection in 2020. "Trump's economy sets records and still has a long way to go" Trump wrote about Twitter. "However, if someone else took over in 2020 (I know the competition very well), there would be a stock market crash like we've never seen it before!" KEEP AMERICA GREAT. The president's comments come soon after he announced the upcoming launch of his campaign at a rally Tuesday in Florida. Trump has repeatedly asserted that the success of the US stock market depends on his staying at the White House, although Macrotrends' data suggest that the performance of the Dow Jones Industrial Average has been roughly average under that of the US. former President Barack Obama. Bill Clinton, according to Bloomberg.