Donald Trump, in a social-media post, said Fed chairman Jerome Powell should “resign immediately.” It was an escalation of his public complaints about Powell, who Trump believes is keeping interest rates high for no reason.

Trump amplified calls for Congress to investigate Powell on the Fed's headquarters renovation.

In his stinging monthslong campaign to badger Federal Reserve Chair Jerome Powell into lowering interest rates, President Donald Trump has relied on a variety of arguments. He's pointed to the European Central Bank's two percentage points of rate cuts and a report showing weakening private-sector job growth.