How major US stock indexes fared Monday 5/4/2026

U.S. stocks fell from their record heights, while oil prices jumped following escalations in the Middle East that may undermine the ceasefire in the war with Iran. The S&P 500 fell 0.4% Monday, coming off its latest all-time high. The Dow Jones Industrial Average dropped 1.1%, and the Nasdaq composite slipped 0.2%.