Options trader Matthew Hefter, center, works on the floor of the New York Stock Exchange, Thursday, April 23, 2026. (AP Photo/Richard Drew)

Boston Celtics' Payton Pritchard, left, tries to get past Philadelphia 76ers' Dominick Barlow during the first half of Game 4 in a first-round NBA basketball playoffs series Sunday, April 26, 2026, in Philadelphia. (AP Photo/Matt Slocum)

Philadelphia 76ers' Andre Drummond, right, reacts past Boston Celtics' Neemias Queta after an injury during the first half of Game 4 in a first-round NBA basketball playoffs series Sunday, April 26, 2026, in Philadelphia. (AP Photo/Matt Slocum)

Boston Celtics' Jayson Tatum (0) goes up for a shot against Philadelphia 76ers' Kelly Oubre Jr. (9) during the first half of Game 4 in a first-round NBA basketball playoffs series Sunday, April 26, 2026, in Philadelphia. (AP Photo/Matt Slocum)

Boston Celtics' Sam Hauser, from left, Payton Pritchard and Nikola Vucevic react during the first half of Game 4 against the Philadelphia 76ers in a first-round NBA basketball playoffs series Sunday, April 26, 2026, in Philadelphia. (AP Photo/Matt Slocum)

A woman holds an Iranian flag for a pro-government campaign in downtown Tehran, Iran, Saturday, April 25, 2026. (AP Photo/Vahid Salemi)

Tampa Bay Lightning's Jake Guentzel (59) scores against Montreal Canadiens goaltender Jakub Dobes (75) as Canadiens' Jayden Struble (47) defends during the second period of Game 4 in a first-round NHL hockey Stanley Cup playoff series in Montreal, Sunday, April 26, 2026. (Christinne Muschi/The Canadian Press via AP)

Tampa Bay Lightning's Jake Guentzel (59) celebrates with teammates J.J. Moser (90) and Anthony Cirelli (71) after scoring against the Montreal Canadiens during the second period of Game 4 in a first-round NHL hockey Stanley Cup playoff series in Montreal, Sunday, April 26, 2026. (Graham Hughes/The Canadian Press via AP)