Trump has been highly critical of Jerome Powell this year, pressuring him to cut rates. The Fed Chair has said he's awaiting further clarity on inflation.

JPMorgan Chase Chief Executive Jamie Dimon sounded Wall Street’s clearest warning against the Trump administration’s attacks on Federal Reserve Chair Jerome Powell, describing the central bank’s independence as crucial.

The C.E.O. of JPMorgan Chase, who has rarely taken on President Trump during his second term, wades into the argument over the Federal Reserve chair.