Hyperion Therapeutics Inc (NASDAQ:HPTX) Investor Alert: Acquisition Faces Investigation

San Diego, CA -- (ReleaseWire) -- 04/07/2015 -- An investigation on behalf of investors, who currently hold shares of Hyperion Therapeutics Inc (NASDAQ:HPTX), was announced concerning whether the takeover of Hyperion Therapeutics Inc by Horizon Pharma plc for $46.00 per share is unfair to NASDAQ:HPTX stockholders.