NEW YORK—The owner of the New York Mets says he has dropped off Twitter because his family received threats that he attributed to “misinformation” that was not tied to the baseball team. Steve Cohen’s hedge fund, Point72, has become entangled in market turmoil that has pitted a band of small investors against traders that made bets against—or “shorted”—stock of companies including GameStop. Hedge funds that shorted GameStop have lost billions as small investors bid up the company’s shares. One of the short sellers, Melvin Capital, announced this week that it received a $750 million infusion from Point72. “I’ve really enjoyed the back and forth with Mets fans on Twitter which was unfortunately overtaken this week by misinformation unrelated to the Mets that led to our family getting personal threats,” Cohen said Saturday in a statement issued by the Mets. “So I’m going to take a break for now.” Twitter users …