Benzinga's Top Upgrades, Downgrades For February 22, 2018 By: Benzinga via Benzinga February 22, 2018 at 09:57 AM EST Top Upgrades Analysts at Argus upgraded Cognizant Technology Solutions Corp (NASDAQ: CTSH) from Hold to Buy. Cognizant Tech ... Read More >> Related Stocks: Alkermes Plc Applied Optoelect Arqule Inc Asterias Biotherapeutics Inc Clovis Oncology Inc Cognizant Technology Solutions Helios and Matheson Analytics Inc Ipic Entertainment Inc Jeld-Wen Holding Inc KLA-Tencor Corp Macquarie Infrastructure Hldgs Llc Momenta Pharma Msa Safety Inc Newfield Exploration Nordson Corp Telecom Argentina Stet France Telecom ADR U.S. Silica Holdings Inc Warrior Met Coal Inc Wolverine World Wide