Benzinga's Top #PreMarket Gainers By: Benzinga via Benzinga January 29, 2015 at 08:14 AM EST Xencor, Inc. (NASDAQ: XNCR) shares gained 32.15% to $22.40 in the pre-market trading session after the company reported positive XmAb ... Read More >> Related Stocks: Citrix Systems Coach Flextronics Intl Ltd McDonald's Corp Xencor Inc