Is US stock market down today? Why is the US stock market crashing today — S&P 500 and Nasdaq fall big while Dow Jones gains

US stock market today live update analysis news: The S&P 500 fell 0.3% to 5,018. Nasdaq sank 0.6% to 15,170 as Meta plunged 11% after weak ad revenue guidance. Microsoft dropped 2.1% despite strong cloud growth. The Dow Jones rose 120 points to 39,310, lifted by Chevron and Boeing. Treasury yields hit 4.68% after strong GDP data. Investors now await Friday’s PCE inflation report for fresh rate clues. Tech dragged, value stocks rose. Volatility jumped 6%, showing renewed market caution.