Uncertainty about what will happen in the war has led to manic back-and-forth swings in the oil and stock markets since the war began nearly three weeks ago.
Currency traders work 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, Thursday, March 19, 2026. (AP Photo/Ahn Young-joon) AP