Currency traders work at the foreign exchange dealing room of the Hana Bank headquarters in Seoul, South Korea, Friday, Aug. 21, 2026. (AP Photo/Ahn Young-joon)

Specialist Gregg Maloney, bottom right, works on the floor of the New York Stock Exchange, Wednesday, Aug. 5, 2026, in New York. (AP Photo/Yuki Iwamura)

A screen shows stock prices on the floor of the New York Stock Exchange, Friday, Aug. 7, 2026, in New York. (AP Photo/Yuki Iwamura)

Options traders Chris Dattolo, Scott Frinzi, Justin Kanda, and Ravi Bhandari, left to right, work on the floor of the New York Stock Exchange, Monday, Aug. 17, 2026, in New York. (AP Photo/Yuki Iwamura)

Currency traders watch monitors near a screen showing the Korea Composite Stock Price Index (KOSPI) and the foreign exchange rate between U.S. dollar and South Korean won at the foreign exchange dealing room of the Hana Bank headquarters in Seoul, South Korea, Friday, Aug. 21, 2026. (AP Photo/Ahn Young-joon)

A currency trader watches monitors near a screen showing the Korea Composite Stock Price Index (KOSPI) and the foreign exchange rate between U.S. dollar and South Korean won at the foreign exchange dealing room of the Hana Bank headquarters in Seoul, South Korea, Friday, Aug. 21, 2026. (AP Photo/Ahn Young-joon)

Workers prepare sangak, a traditional Iranian flatbread, at a bakery in Tehran, Iran, Tuesday, Aug. 18, 2026. (AP Photo/Vahid Salemi)

A person walks in front of an electronic stock board showing Japan's Nikkei index at a securities firm Thursday, Aug. 20, 2026, in Tokyo. (AP Photo/Eugene Hoshiko)