Stock Market’s Rise, Lauded by Trump, Lags the Gains Under Obama - The New York Times

President Trump has routinely celebrated, and taken credit for, the stock market’s record-setting climb during his first year in office.

Optimism around the new tax code, as well as a relaxed regulatory climate, has helped drive the Standard & Poor’s 500-stock index’s 21 percent rise since Mr. Trump took office. But that performance falls short of the market’s gains during the first years of the presidencies of Barack Obama and the elder George Bush.
https://www.nytimes.com/interactive/2018/01/05/business/trump-first-year.html