When billionaire hedge fund manager Ken Griffin likened Chicago’s violence to war-torn Afghanistan and threatened to move his firm out of the city during an Economic Club of Chicago event
What to know about billionaire Ken Griffin: From college bond trading and philanthropy to GameStop chicagotribune.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from chicagotribune.com Daily Mail and Mail on Sunday newspapers.