Jim Simons, billionaire quantitative investing pioneer who generated eye-popping returns, dies at 86
Jim Simons attends IAS Einstein Gala honoring Jim Simons at Pier 60 at Chelsea Piers in New York City. Sylvain Gaboury | Patrick Mcmullan | Getty Images Jim Simons, a mathematician who founded the most successful quantitative hedge fund of all time, passed away on Friday in New York City, his foundation announced on its…