Shifts in Fed policy affect what people pay for credit cards, auto loans, mortgages, and other financial products.
The Federal Reserve cut its benchmark interest rate a quarter of a percentage point on Wednesday.
Meanwhile, the U.S. economy is mired in uncertainty. Hiring has slowed sharply, while inflation remains stubbornly high.
Consumer prices rose 2.9% in August compared to a year ago, marking an uptick in price increases as President Donald Trump's tariff policy intensified. The reading matched economists' expectations.
Eight months have elapsed since the Fed last adjusted interest rates.