The S&P 500, Dow, Nasdaq and Russell 2000 all closed lower on September 1, 2026, as a worldwide bond sell-off pushed long-dated yields to multi-decade highs and U.S.-Iran tensions lifted crude prices.
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.
