Rep. Jim Himes (D-Conn.) said Sunday that a White House insider is warning President Trump of a “massive market reaction” if he fires Federal Reserve Chair Jerome Powell. “I mean, what happens if there’s a tweet that says the Fed chair is gone?

If President Trump gets his way and removes Jerome Powell as chairman of the U.S. Federal Reserve, the market reaction would be swift and brutal, Deutsche Bank’s George Saravelos argues. It could collapse the currency and bond markets,