Benzinga's Top #PreMarket Gainers

Accelrys (NASDAQ: ACCL ) soared 28.60% to $12.50 in the pre-market trading after the company agreed to be acquired by Dassault Systemes (OTC: DASTY ) for $12.50 per share. Facebook (NASDAQ: FB ) shares jumped 17.22% to $62.75 in pre-market trading after the company reported better-than-expected fourth-quarter results.