Dow futures tumble 800 points as U.S. oil tops $100 a barrel to begin the week’s trading: Live updates
Traders work on the floor of the New York Stock Exchange on March 5, 2026. Spencer Platt | Getty Images Stock futures were plunging to start the week’s trading as U.S. oil prices topped $100 a barrel amid the U.S.-Iran conflict, raising fears higher energy prices could dramatically slow the U.S. economy. The Dow Jones…