Markets Insider President Donald Trump has long said that he’s boosted the stock market. The S&P 500 has gained 28% since Trump’s election win and 24% since his inauguration. Historical returns of the S&P 500 show the market has gained an annualized 10.5% since Trump’s inauguration, outperforming the long-time average of 7.6%. Visit MarketsInsider.com for more stories. […]