Hedge fund billionaire Bill Ackman and his Israeli-born wife, Neri Oxman, purchased a 4.9% equity stake in the Tel Aviv Stock Exchange on Wednesday. Ackman, a Harvard graduate who pushed for the ouster of the Ivy League school’s president Claudine Gay, has been an outspoken critic of the rise in antisemitism since the Oct. 7 Hamas massacre in Israel. The TASE announced the transaction in a press release, noting that it “reflects a strong vote of confidence in both the Tel Aviv Stock Exchange and the Israeli economy at large.” The deal is part of a roughly 18.5% stake sale...