"The S&P 500 (SPX), the broad measure of stocks of the 500 largest US companies, is up 29% since Trump took office in January 2017. But they were up 46% during

"The S&P 500 (SPX), the broad measure of stocks of the 500 largest US companies, is up 29% since Trump took office in January 2017. But they were up 46% during the same 645 day period at the start of President Barack Obama's tenure. Trump's stock market also lags a bit behind the 36% gain during the same period at the start of President George H.W. Bush from 1989 through mid-1991, and the 29% rise at the start of President Bill Clinton's tenure."