Benzinga's Top #PreMarket Gainers

Protective Life PL shares climbed 18.70% to $69.70 in the pre-market trading session after Dai-ichi Life DCNSF agreed to buy Protective Life for $70 per share. Legg Mason LM shares gained 6.99% to $52.63 in pre-market trading after Stifel Financial SF announced the acquisition of Legg Mason Investment Counsel & Trust Co. Merrimack Pharmaceuticals MACK shares jumped 4.56% to $7.80 in pre-market trading after gaining 0.27% on Tuesday. ValueVision Media VVTV soared 3.71% to $4.47 in the pre-market trading. ValueVision Media shares have dropped 7.11% over the past 52 weeks, while the S&P 500 index has gained 19.60% in the same period.