Benzinga's Top #PreMarket Gainers

China Finance Online Co

shares jumped 31.28% to $7.26 in pre-market trading after the company reported its Q3 unaudited financial results. FireEye

shares gained 21.13% to $49.82 in the pre-market after the company reported that it has acquired security firm Mandiant for around $1 billion. Finisar

soared 3.18% to $24.00 in the pre-market trading after Raymond James upgraded the stock from Outperform to Strong Buy. Novavax

surged 3.07% to $5.37 in the pre-market session. Novavax shares have jumped 168.56% over the past 52 weeks, while the S&P 500 index has surged 24.92% in the same period.