Fast forward half a century, Bill Ackman, the billionaire hedge fund manager behind Pershing Square Capital Management, is ...

Who is billionaire Bill Ackman? Ackman is a prominent investing activist: When he considers that a company in which he has ...

UnitedHealth Group said on Wednesday a mistake at the hospital was behind the phone call that led to a surgeon being pulled ...

Bill Ackman expects to lead Howard Hughes Holdings after raising his takeover offer for the Texas-based real estate development and management company. But Howard Hughes stock sank below a key level ...

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