S&P 500 falls from record high on Middle East worries
By Noel Randewich and Niket Nishant
Mon May 4, 2026
Two violent incidents in the Strait of Hormuz – a South Korean ship attacked while attempting entry and a U.S. Navy vessel forced by the Iranians to turn back – demonstrated loudly that Iran was still in complete control of the vital strait. This decisively shifted sentiment back towards the war, which investors have been trying to ignore, and all three indexes fell sharply, especially the Dow with a big 3-digit loss.