Benzinga's Top Pre-Market NASDAQ Gainers (GXDX, AMGN, NSTC, AIXG)

Genoptix Inc GXDX rose 15.96% to $20.85 in the pre-market session. According to sources, GXDX hired Barclays to help find potential buyers for itself. Amgen Inc AMGN added 6.55% to $57.65 in pre-market trading. AMGN's cancer drug Xgeva showed positive study data. Ness Technologies Inc NSTC moved up 3.46% to $5.38 in pre-market trading. According to the Calcalist, four US investment funds are bidding to purchase NSTC for about $300 million. Aixtron Aktiengesellschaft AIXG gained 1.05% to $37.71 in the pre-market session. AIXG's PEG ratio is 0.23. Read more from Benzinga's Markets.