US Stocks Decline Following Federal Reserve Rate Increase

US stock markets largely closed lower after the Federal Reserve implemented its first interest rate hike in over three years on September 16, 2026, raising the federal funds rate to 3.75%-4%. This 0.25 percentage point increase aims to counter persistent high inflation, which has been exacerbated by rising crude oil prices amid ongoing geopolitical conflicts. The move reflects the Fed's commitment to price stability.