Benzinga's Top Pre-Market Gainers

Complete Genomics

GNOM

surged 9.22% to $3.20 in the pre-market session. Complete Genomics announced new technology developed for clinical-grade genomes. Merck & Co

MRK

added 3.98% to $42.85 in the pre-market session. Analysts at Citigroup upgraded Merck from “neutral” to “buy.” SunPower

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SPWR

moved up 1.52% to $4.67 in the pre-market session. Analysts at Piper Jaffray upgraded SunPower from “neutral” to “overweight.” Ocean Power Technologies

OPTT

soared 1.41% to $3.60 in the pre-market trading. Ocean Power Technologies and Lockheed Martin

LMT

have entered into a teaming agreement to develop a 19 megawatt wave-energy project in Victoria, Australia.