Benzinga's Top Pre-Market Gainers

Greenway Medical Technologies GWAY shares jumped 18.21% to $20.25 in pre-market trading after the company agreed to be acquired by Vista Equity Partners for $20.35 per share. Applied Materials AMAT surged 5.37% to $16.85 in the pre-market session after the company announced its plans to acquire Tokyo Electron in an all-share deal. CarMax KMX shares gained 4.94% to $52.48 in the pre-market session on upbeat Q2 results. National Oilwell Varco NOV soared 3.15% to $80.97 in the pre-market trading after the company announced its plans to spin off its distribution business.