While Trump's name-calling of Powell isn't particularly new, the words now could signal action.

Trump claimed that Americans will be paying for Powell's "incompetence" for years to come, while the FOMC has maintained it needs greater clarity before lowering the base rate.

ANALYSIS: President Trump has said he may move up the announcement of Powell's replacement, with analysts looking for public debate among FOMC members for clues as to who is…

While Trump's name-calling of Powell isn't particularly new, the words now could signal action.