Many on Wall Street have privately worried that political pressure will undermine the Federal Reserve’s credibility.

The New York Times was first to report, Trump waved a draft letter firing Powell during a meeting with House Republicans, and soliciting their opinions on whether he should proceed. The next day, Trump confirmed that was true: “I talked about the concept of firing him,

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.