Benzinga's Top #PreMarket Gainers

GoPro Inc GPRO shares surged 11.74 percent to $52.54 in pre-market trading after the company reported upbeat results for the first quarter. MCG Capital Corp MCGC shares rose 10.73 percent to $4.54 in pre-market trading. MCG Capital reported Q1 earnings of $0.03 per share on revenue of $1.95 million. Pennantpark Floating Rate Capital Ltd PFLT announced its plans to purchase MCG Capital for $4.75 per share. Starwood Hotels & Resorts Worldwide Inc HOT shares climbed 8.11 percent to $87.35 in pre-market trading. Starwood Hotels reported upbeat Q1 earnings and lifted its FY15 earnings outlook. The company also announced the exploration of strategic alternatives. Arena Pharmaceuticals, Inc. ARNA shares gained 5.36 percent to $4.42 in the pre-market trading session after the company reported favorable results from Phase 1 single-ascending dose clinical trial of APD371. Ariad Pharmaceuticals, Inc. ARIA gained 3.61 percent to $9.19 in pre-market trading after the company reported a settlement deal with Sarissa Capital Management and announced the retirement of founder and Chairman, CEO Harvey Berger.