Benzinga's Top #PreMarket Gainers

Alnylam Pharmaceuticals

shares jumped 35.93% to $90.00 in pre-market trading after the company reported that it has acquired investigational RNAi Therapeutic assets from Merck

. Genzyme and Alnylam expanded their collaboration on rare genetic diseases. Beam

shares gained 25.93% to $84.35 in the pre-market after the company agreed to be acquired by Suntory Holdings for $83.50 per share in cash. NII Holdings

surged 20.81% to $2.70 in the pre-market session after the company and Telefonica signed agreements to provide wholesale voice and data services to Nextel in Brazil and Mexico. Clovis Oncology

soared 6.99% to $79.15 in the pre-market trading after the company announced 2014 objectives and financial outlook.