Benzinga's Top #PreMarket Gainers

Fortinet Inc FTNT shares surged 11.18 percent to $38.50 in pre-market trading after the company reported stronger-than-expected results for the first quarter. Lam Research Corporation LRCX shares climbed 9.74 percent to $79.00 in pre-market trading after the company reported upbeat Q3 results and issued a strong Q4 forecast. Alnylam Pharmaceuticals, Inc. ALNY gained 9.67 percent to $130.16 in pre-market trading after the company announced positive 12-month clinical data from phase 2 study of Patisiran for patients with FAP. Mylan NV MYL shares gained 7.28 percent to $73.00 in the pre-market trading session on rumored bid from Teva Pharmaceutical Industries Ltd (ADR) TEVA. Mellanox Technologies, Ltd. MLNX shares rose 4.63 percent to $49.49 in pre-market trading after the company reported upbeat Q1 results and announced the retirement of SVP Roni Ashuri and COO Shai Cohen.