Stocks: S&P 500 Dips 0.8%, Nasdaq Down 1.4% on AI Tech Concerns - 02/03/2026

The S&P 500 experienced a downturn, falling 0.8% on Tuesday, 2026-02-03, influenced by concerns over Big Tech and software companies potentially losing ground to AI-driven competitors. Key tech stocks like Nvidia and Microsoft contributed to the market's decline. Despite this, the majority of S&P 500 stocks showed gains, including Palantir Technologies, which reported better-than-expected profits. Supporting data reveals that the Nasdaq composite lost 1.4%, while the Dow Jones Industrial Average fell 0.3%. The Russell 2000, a gauge of smaller companies, saw a 0.3% increase. For the week, the S&P 500 is down 0.3%, the Dow is up 0.7%, and the Nasdaq is down 0.9%. Year-to-date, the S&P 500 is up 1.1%, the Dow is up 2.5%, and the Nasdaq is up 0.1%, while the Russell 2000 is up 6.7%.