7 Stocks Moving In Monday's After-Hours Session By: Benzinga via Benzinga December 11, 2017 at 17:13 PM EST Gainers KMG Chemicals, Inc. (NYSE: KMG) shares are up 6 percent after reporting a big first quarter earnings beat. First ... Read More >> Related Stocks: Bluebird Bio Casey's General Stor GNC Holdings Inc KMG Chemicals Kala Bio Inc Liberty Tax Cl A