15 Biggest Mid-Day Gainers For Wednesday By: Benzinga via Benzinga July 20, 2016 at 12:44 PM EDT OpGen Inc (NASDAQ: OPGN) shares climbed 72 percent to $2.70 amid rumor of potential takeover interest. Opgen filed ... Read More >> Related Stocks: Cintas Corp Intuitive Surgical Marvell Technology Inc Microsoft Morgan Stanley Ocean Power Tech Inc Progenics Pharmaceuticals SAP Ag ADR Tupperware Corp Valeant Pharmaceuticals International, Inc.