The price of Synergy Pharmaceuticals SGYP stock surged more than 12% during extended-hours trading Friday after billionaire John Paulson‘s hedge fund Paulson & Co. disclosed in a regulatory filing ( Form 13F-HR ) with the Securities and Exchange Commission (SEC) that it added 2, 095, 600 shares of SGYP to its investment portfolio during the first quarter 2015, representing a 2.11% stake in the biopharmaceutical company… [READ MORE]