How major US stock indexes fared Wednesday, 3/4/2026

The Dow Jones Industrial Average added 0.5%, and the Nasdaq composite climbed 1.3%. The strength followed a scary start to the day, when South Korea's Kospi stock index plunged 12.1% for its worst loss in history. Uncertainty about the war has sent prices in financial markets careening this week, with most taking their cues from what the price of oil is doing.