Hedge Fund billionaire David Tepper purchased the Carolina Panthers for $2.3 billion. FBN’s Stuart Varney says he’s just shocked the sports world. Appaloosa, the hedge fund founded by David Tepper, the owner of the Carolina Panthers, has slashed its stake in Facebook, selling 5.1 million shares, equivalent to an 18.3 percent cut in its stake in the social media company. Other changes included Appaloosa cutting its stake in Boston Scientific by 35.4 percent to 2.5 million shares and its  stake in UnitedHealth Group by 25.1 percent to 529,390 shares.