26 Stocks Moving In Friday's Mid-Day Session By: Benzinga via Benzinga December 29, 2017 at 12:36 PM EST Gainers Koss Corporation (NASDAQ: KOSS) shares jumped 43.8 percent to $2.07. Atara Biotherapeutics Inc (NASDAQ: ATRA) ... Read More >> Related Stocks: Adtran Holdings Inc Atara Biotherap BBRG Cerecor Inc Energous Corp Gain Capital Holdings Helios and Matheson Analytics Inc Inovio Pharma Insys Therapeutics Inc Koss Corp Massroots Inc Newater Technology Inc Otonomy Inc Progenics Pharmaceuticals Schmitt Industries Inc Scientific Games Syntel Inc Technical Communications Corp Therapeuticsmd Inc Tintri Inc Ultra Clean Holdings Valeritas Holdings Inc Vtv Theraptcs Cl A Zk International Group Ltd