Trump says he ‘talked about the concept of firing’ Jerome Powell. Stocks went for a ride

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 Street get the lower interest rates it loves but would also risk a weakened Fed unable to make the unpopular moves needed to keep inflation under control.

The S&P 500 rose 0.3% after whipping through an earlier drop and subsequent recovery.

The Dow Jones Industrial Average gained 231 points...