Wall Street’s superstars tumbled as a competitor from China threatens to upend the artificial-intelligence frenzy they’ve been feasting on. The S&P 500 fell 1.5% Monday.
Markeese Brazelis is pictured in police custody leaving the NYPD’s Transit District 3 stationhouse on Monday, Jan. 27, 2025, in Manhattan, New York. (Barry Williams / New York Daily News ...