Benzinga's Top #PreMarket Gainers

Alcobra Ltd.ADHD shares rose 12.93% to $7.95 in pre-market trading after the company reported that that its Phase II safety and tolerability study of a single administration of MDX in adolescent patients with ADHD achieved its primary endpoint. Urban Outfitters Inc.URBN shares gained 6.43% to $42.05 in the pre-market trading session after the company reported upbeat earnings for the fourth quarter on Monday. Bellicum Pharmaceuticals, Inc. BLCM gained 2.97% to $25.00 in pre-market trading. Bellicum is expected to report Q4 financial results on March 11, 2015. QUALCOMM Incorporated QCOM shares climbed 1.92% to $74.10 in pre-market trading after the company announced a $15 billion buyback program and lifted its annualized dividend by 14% to $1.92 per share. Skyworks Solutions Inc. SWKS shares surged 1.72% to $93.70 in pre-market trading after rising 1.50% on Monday.