How major US stock indexes fared Tuesday 8/4/2026

Major U.S. stock indexes hit records as companies reported stronger-than-expected profits and oil prices declined. The S&P 500, Dow Jones Industrial Average, and Nasdaq all rose significantly, with the S&P 500 surpassing its prior all-time high set in June. Palantir Technologies and Caterpillar led gains after exceeding spring profit expectations.