People stand in front of an electronic stock board showing Japan's Nikkei index at a securities firm Monday, April 20, 2026, in Tokyo. (AP Photo/Eugene Hoshiko)

A muslim walks outside a mosque where a commemorative religious event in honor of late Supreme Leader Ayatollah Ali Khamenei is taking place, organized by the Shiite Muslim Community of Greece in Athens, on Sunday, April 19, 2026. (AP Photo/Yorgos Karahalis)

A U.S. Air Force Boeing C-17 Globemaster III transport aircraft prepares to land at Nur Khan airbase, ahead of second round of negotiations between the U.S. and Iran, in Rawalpindi, Pakistan, Monday, April 20, 2026. (AP Photo/Ehsan Shahzad)

FILE - The Federal Bureau of Investigation headquarters is seen, March 21, 2026, in Washington. (AP Photo/Tom Brenner, File)

FILE - Tourists walk past a banner with President Donald Trump hanging on the Department of Justice, Feb. 27, 2026, in Washington. (AP Photo/Rahmat Gul, File)

Pope Leo XIV arrives at the esplanade in front of the Sanctuary of Mama Muxima, in Muxima, Angola, Sunday, April 19, 2026. (AP Photo/Themba Hadebe)

Parishioners wait for Pope Leo XIV's arrival at the esplanade in front of the Sanctuary of Mama Muxima, in Muxima, Angola, Sunday, April 19, 2026. (AP Photo/Themba Hadebe)

Pope Leo XIV receives flowers he put under the statue of the Virgin Mary in the Church of Our lady of Muxima, on the seventh day of an 11-day apostolic journey to Africa, in Muxima, Angola, Sunday, April 19, 2026. (Guglielmo Mangiapane/Pool Photo via AP)