Stock futures and oil prices fell sharply after President Donald Trump's address about the Iran war failed to reassure investors that the fighting would end soon. The president did not outline a plan to reopen the Strait of Hormuz, where over 20% of the world's oil supply typically passes through. Instead, he emphasized the war will continue until the U.S. military's objectives are fully achieved. Oil prices have since surged, with U.N. crude oil rising by 10% to $110 per barrel. The national average price per gallon of unleaded gas hit $4.08, up from $2.98 before the war.