From credit cards and mortgage rates to auto loans and savings accounts, all sorts of consumer borrowing costs are impacted by Fed moves.

For a third straight meeting, the Federal Open Market Committee is expected to keep its policy interest rate unchanged at 4.25%-4.50% as the Federal Reserve's policymaking arm navigates through economic uncertainty.

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.