Benzinga's Top Pre-Market Gainers

Caliper Life Sciences Inc CALP added 39.78% to $10.33 in the pre-market session. PerkinElmer Inc PKI announced its plans to acquire Caliper Life Sciences for $10.50 per share. Smithfield Foods Inc SFD surged 3.75% to $22.95 in the pre-market session. SFD reported a 7.6% rise in its fiscal first-quarter net income. Dow Chemical Company (The) DOW moved up 2.66% to $27.79 in the pre-market session. DOW's trailing-twelve-month revenue is $57.42 billion. Bank of America Corporation BAC soared 2.14% to $7.64 in the pre-market trading. BAC's trailing-twelve-month revenue is $71.62 billion.