On September 21, 2025, U.S. stock markets displayed a mixed performance, reflecting investor uncertainty amid speculations about potential Federal Reserve rate cuts. The S&P 500 closed at 5,528.93, down 2.12%, while the Nasdaq Composite fell 3.26% to 17,136.30. The Dow Jones Industrial Average declined by 1.51% to 40,936.93. These movements were influenced by rising bets on a possible half-point Fed rate cut, which spurred a rally in bonds but also injected a fresh dose of uncertainty into the markets. ca.finance.yahoo.com
The day's trading was marked by significant volatility, with the Philadelphia Semiconductor Index dropping 7.8%, and major technology stocks like Nvidia, Alphabet, Apple, and Microsoft experiencing notable declines. Nvidia's stock dropped nearly 10%, shedding a record $279 billion from its market capitalization, marking the biggest ever single-day decline in market value for a U.S. company. ca.finance.yahoo.com This downturn in tech stocks contributed to the overall market decline, overshadowing gains in other sectors. Investors are closely monitoring Federal Reserve communications and upcoming economic data to gauge the potential impact on future monetary policy and market performance.