U.S. stocks fell sharply on September 1, 2026, as bond yields surged globally and Middle East tensions escalated. The Dow dropped 419 points while oil prices climbed to $90 per barrel.
Markets opened September cautiously as U.S.-Iran hostilities resumed in the Strait of Hormuz, where two oil tankers were attacked. The Nasdaq Composite fell 1.03 percent, the S&P 500 dropped 0.71 percent, and crude oil prices rose 0.63 percent amid supply concerns.
