The Dow Jones Industrial Average dropped slightly 0.6% on July 20, 2026. It ended at 20,305 points. Major companies lost ground in the morning. Investors sold off blue-chip stocks. Tech shares posted small gains. AI-related stocks nudged the broader market upward. Oil prices jumped after reports of heightened U.S.-Iran tensions. Energy companies fell harder. Crude’s rise cut into their profits. The week had new earnings due from major firms. Traders remained cautiously. They held off buying until they saw what the reports would bring.