Benzinga's Top Pre-Market Gainers

Lufkin Industries (NASDAQ:

) soared 37.35% to $87.81 in the pre-market trading. GE (NYSE:

) announced its plans to buy Lufkin Industries for about $3 billion. BioCryst Pharmaceuticals (NASDAQ:

) moved up 20% to $2.04 in the pre-market session. BioCryst shares have dropped 58.02% over the past 52 weeks, while S&P 500 index has gained 12.38% in the same period. Sinovac Biotech (NASDAQ:

) surged 4.58% to $4.11 in the pre-market session. Sinovac Biotech's trailing-twelve-month revenue is $50.77 million. Glu Mobile (NASDAQ:

) shares gained 4.58% to $2.97 in the pre-market session. Glu Mobile had $22.33 million in total cash and no debt for the latest quarter.