A currency trader talks on the phone near a screen showing the Korea Composite Stock Price Index (KOSPI), top center, and the foreign exchange rate between U.S. dollar and South Korean won, top center left, at the foreign exchange dealing room of the Hana Bank headquarters, in Seoul, South Korea, Friday, April 17, 2026.
Oil prices dropped back to where they were in the early days of the Iran war, and U.S. stocks raced to another record. The S&P 500 leaped 1.2% Friday after Iran said the Strait of Hormuz is open again for commercial tankers carrying crude. The Dow Jones Industrial Average leaped as many as 1,100 points before paring its gain and ended with a jump of nearly 870 points, or 1.8%, while the Nasdaq composite climbed 1.5%. A freer flow of oil could take pressure off prices not only for gasoline but also for groceries and all kinds of other products. Oil prices fell 9%.