Even so, the Fed will almost certainly leave its key rate unchanged at about 4.3% when it meets Tuesday and Wednesday. Powell and many of the other 18 officials that sit on the Fed’s rate-setting committee have said they want to see how Trump’s tariffs affect the economy before making any moves.

Wall Street's main indexes fell on Monday after U.S. President Donald Trump rekindled worries about the fallout of a global trade war by introducing new tariffs, while focus remained on the Federal Reserve's monetary policy decision later this week.

U.S. President Donald Trump looks on as Jerome Powell, his nominee to become chairman of the U.S. Federal Reserve, speaks at the White House in Washington, U.S., November 2, 2017. REUTERS/Carlos Barria/File Photo WASHINGTON (Reuters) -U.

President Trump said Sunday he would not fire Federal Reserve chair Jerome Powell before the central bank leader's term ends over the next year. Why it matters: An earlier suggestion that Trump would attempt to remove Powell — a legally dubious move — roiled financial markets,