ZGNX - GWPH ZGNX and MRTX among after hours movers April, 08 2019 05:33 PM Zogenix Inc. Gainers: PHAS +31.6%. GWPH +4.1%. RUHN +2.9%. IGC +1.9%. SENS +1.9%.More news on: PhaseBio Pharmaceuticals, Inc., GW Pharmaceuticals plc, Hangzhou Ruhnn Holding Co.,Ltd, Stocks on the move, Read more ...