HealthcareFidelity Investments discloses a 12%, or 2,404,830 share stake in Hyperion Therapeutics...Jul. 10, 2013 11:39 AM ETHyperion Therapeutics (HPTX) StockHPTXBy: David Yelle, SA News EditorFidelity Investments discloses a 12%, or 2,404,830 share stake in Hyperion Therapeutics (NASDAQ:HPTX). This is up over 84% from the initial 1,303,493 shares held at the end of the March quarter.Recommended For YouMore Trending NewsSee More »Related StocksSymbolLast Price% ChgHPTX--Hyperion TherapeuticsTrending AnalysisTrending News