Billionaire Bill Ackman is back with a series of excuses for his poor play in a professional tennis tournament -- and a $10 ...

Bill Ackman’s hedge fund, Pershing Square Capital Management, has made a successful bet on this leading AI enterprise. With ...

William Ackman is the latest person to donate $100,000 to the GoFundMe page set up by plastic surgeon Dr. Elizabeth Potter, who is currently facing financial trouble.