Benzinga's Top #PreMarket Gainers By: Benzinga via Benzinga December 31, 2014 at 08:03 AM EST NephroGenex Inc (NASDAQ: NRX) shares jumped 185.38% to $13.27 in pre-market trading after the company reported positive results for QT ... Read More >> Related Stocks: Fosun International Ltd Mimedx Group Inc Vodafone Grp Plc ADR