President Donald Trump sent the U.S. stock market on a jagged round trip Wednesday after saying he had “talked about the concept of firing” the head of the Federal Reserve. Such a move could help Wall ...

The Dow advanced 231.49 points (0.5%) to 44,254.78, the Nasdaq rose 52.69 points (0.3%) to 20,730.49 and the S&P 500 climbed 19.94 points (0.3%) to 6,263.70.