Benzinga's Top Pre-Market Gainers

Auxilium Pharmaceuticals Inc (NASDAQ: AUXL) surged 19.36% to $22.50 in the pre-market session. AUXL reported positive top-line results from both Phase III Trials of XIAFLEX for the potential treatment of Peyronie's Disease.

Immunogen Inc (NASDAQ: IMGN) added 9.22% to $15.17 in the pre-market session. IMGN presented new clinical data for SAR3419.

Medivation Inc (NASDAQ: MDVN) moved 8.85% to $90 in the pre-market session. MDVN and Astellas Pharma Inc announced data for enzalutamide relating to the secondary endpoints of health-related quality of life and extension of time to first skeletal-related event in men.

United States Steel Corp (NYSE: X) soared 1.29% to $19.56 in the pre-market trading. U.S. Steel's PEG ratio is 1.28.

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