Benzinga's Top Pre-Market Gainers

VIVUS Inc VVUS surged 105.50% to $21.68 in the pre-market session. VIVUS reported that the US Food and Drug Administration Advisory Committee recommended approval of Qnexa for the treatment of obesity in adults. Orexigen Therapeutics Inc OREX added 23.68% to $3.97 in the pre-market session. OREX shares have dropped 1.23% over the past 52 weeks, while the S&P 500 index has gained 4.30% in the same period. Arena Pharmaceuticals Inc ARNA moved up 18.23% to $2.14 in the pre-market session. ARNA is scheduled to present at the Citi 2012 Global Health Care Conference on February 29. Spanish Broadcasting System Inc SBSA soared 6.04% to $6.14 in the pre-market trading. SBSA's trailing-twelve-month ROE is 43.22%.