Semiconductor shares slide 6.1%–12.6%, dragging Nasdaq down 1.55% as Trump moves to reinstate Iran port blockade
U.S. stocks fell after President Donald Trump said he would reinstate a blockade on Iranian ports, escalating U.S.-Iran hostilities and weighing on risk appetite. Weekend airstrikes heightened investor concern that shipping through the Strait of Hormuz could be disrupted. WTI crude settled up 9.4%, lifting energy shares, while technology stocks led declines and the Nasdaq dropped 1.55%. Chipmakers were hit hardest, with the Philadelphia SE Semiconductor Index sliding as Intel, Marvell and SanDisk fell 6.1%–12.6%.