The Federal Reserve plans to cut interest rates, showing optimism about the U.S. economy.
Rates have remained between 5.25% and 5.50% since July.
As inflation improves, interest rates are expected to be cut for three quarters next year.
Inflation fell to 3.1% in November from 9.1% in June.
Federal Reserve Chairman Jerome Powell is optimistic about avoiding serious economic problems.
Public perception of the economy is critical to a sitting president's re-election.
Most blame Biden for rising inflation last year.
Only 14% believe their financial situation has improved since Biden took office.
Sixty-two percent of Biden voters in swing states rated the economy as "fair" or "poor."
Opinions were divided on whether the Fed's announcement would help Biden's campaign.