Benzinga's Top #PreMarket Gainers

Sarepta Therapeutics

soared 75.37% to $42.79 in the pre-market trading on announcement that it will file NDA for Eteplirsen for the treatment of Duchenne Muscular Dystrophy by the year-end. Prosensa Holding NV

shares gained 27.22% to $6.45 in the pre-market after jumping 8.33% on Thursday. Momenta Pharmaceuticals

shares jumped 13.06% to $12.55 in pre-market trading after dropping 3.98% on Thursday. AstraZeneca PLC

surged 6.49% to $67.62 in the pre-market session on the report of potential acquisition by Pfizer

.