President 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.

Asian shares are mostly higher while U.S. futures slipped after President Donald Trump rocked Wall Street by saying he had “talked about the concept of firing” the head of the Federal Reserve