Why is US stock market down today? Dow, S&P 500 and Nasdaq see big crash today as Wall Street tumbles sharply

US stock market down today: The Dow fell 188 points to 49,999 today. The S&P 500 dropped 0.39%. The Nasdaq sank 0.83%. The US stock market crashed despite strong January jobs data. The economy added 130,000 jobs. Unemployment fell to 4.3%. But major revisions showed 2025 hiring was far weaker than first reported. Investors fear slower growth ahead.