Benzinga's Top Pre-Market Gainers

Medicis Pharmaceutical (NYSE: MRX)) soared 37.67% to $43.45 in the pre-market trading. Valeant Pharmaceuticals International (NYSE: VRX) announced its plans to acquire Medicis Pharmaceutical for $2.6 billion in cash.

StemCells (NASDAQ: STEM) added 17.51% to $2.55 in the pre-market session. StemCells reported positive interim six-month data from spinal cord injury trial.

Questcor Pharmaceuticals (NASDAQ: QCOR) surged 10.66% to $48.07 in the pre-market session. Questcor's PEG ratio is 0.42.

Campbell Soup Co (NYSE: CPB) moved up 9.22% to $38.38 in the pre-market session. Campbell Soup reported a rise in its Q4 profit.

(c) 2013 Benzinga.com. Benzinga does not provide investment advice. All rights reserved.