Benzinga's Top #PreMarket Gainers By: Benzinga via Benzinga April 21, 2015 at 08:13 AM EDT Fortinet Inc (NASDAQ: FTNT) shares surged 11.18 percent to $38.50 in pre-market trading after the company reported ... Read More >> Related Stocks: Alnylam Pharmaceuticals Fortinet Inc Lam Research Mellanox Technologies Mylan Teva Pharmaceutical Industries ADR