MTCH, NEWR, SEDG and WW among midday movers

Gainers: Cambrex Corporation (NYSE:CBM) +47%. Weight Watchers International (NASDAQ:WW) +40%. Paratek Pharmaceuticals (NASDAQ:PRTK) +35%. Owens & Minor (NYSE:OMI) +29%. Match Group (NASDAQ:MTCH) +27%. SolarEdge Technologies (NASDAQ:SEDG) +24%. Guardant Health (NASDAQ:GH) +22%. Avinger (NASDAQ:AVGR) +22%. EyePoint Pharmaceuticals (NASDAQ:EYPT) +21%. Montage Resources Corporation (NYSE:MR) +20%.

Losers: Entercom Communications (NYSE:ETM) -42%. New Relic (NYSE:NEWR) -33%. Oasis Petroleum (NYSE:OAS) -31%. Quotient Technology (NYSE:QUOT) -31%. AxoGen (NASDAQ:AXGN) -28%. Titan Pharmaceuticals (NASDAQ:TTNP) -28%. Cornerstone Building Brands (NYSE:CNR) -27%. Rexahn Pharmaceuticals (NYSEMKT:REXN) -28%. Arlo Technologies (NYSE:ARLO) -25%. Gates Industrial Corporation (NYSE:GTES) -25%.