Benzinga's Top Pre-Market Gainers

Lennar

moved up 6.09% to $37.12 in the pre-market session after the company reported upbeat Q2 profit. Marathon Petroleum

surged 5% to $73.90 in the pre-market session. Marathon Petroleum's PEG ratio is 0.65. Aetna

soared 3.67% to $64.44 in the pre-market trading. Aetna is helping members affected by the wildfires in Arizona and flooding in Wisconsin. Mellanox Technologies

shares gained 3.42% to $45.63 in the pre-market session. Mellanox's trailing-twelve-month operating margin is 19.62%.