Benzinga's Top Pre-Market Gainers

CalAmp

shares gained 9.68% to $20.50 in the pre-market session after the company reported upbeat fiscal second-quarter results. VIVUS

surged 4.51% to $10.65 in the pre-market session after Cowen & Company upgraded the stock from Market Perform to Outperform. Omeros

shares jumped 3.84% to $11.62 in pre-market trading after the company reported that it has identified six additional Class A orphan G protein-coupled receptors (GPCRs). Canadian Solar

soared 3.66% to $19.24 in the pre-market trading after the company announced the sale of two utility scale solar power plants to a fund managed by BlackRock.