Stock futures slip after U.S. launches ‘self-defense strikes’ against Iran: Live updates

Traders work at the New York Stock Exchange on June 9, 2026. NYSE U.S. stock futures fell early Wednesday after the U.S. launched "self-defense strikes" against Iran , in retaliation for the downing of a helicopter a day earlier. S&P 500 futures and Nasdaq 100 futures shed 0.50% and 0.87%, respectively. Futures tied to the Dow Jones Industrial Average fell by 140 points, or 0.28%. Asia-Pacific markets closed mostly lower Wednesday as tech stocks sold off. …