Benzinga's Top Pre-Market Gainers

Veolia Environnement SA VE surged 10.79% to $13.45 in the pre-market session. VE posted a rise in its 2011 revenue. Sky-mobi Limited MOBI added 7.19% to $4.49 in the pre-market session. MOBI's PEG ratio is 0.69. James River Coal Company JRCC moved up 3.84% to $5.95 in the pre-market session. JRCC reported Q4 results. VIVUS Inc VVUS soared 3.56% to $23.30 in the pre-market trading. VIVUS priced an underwritten public offering of 9,000,000 shares of its common stock at a price of $22.50 per share to the public.