Morning Market Gainers

YRC Worldwide Inc YRCW shares gained 29.45 percent to $19.78 after the company reported upbeat Q2 earnings. Columbia Sportswear Company COLM surged 16.97 percent to $73.27 on better-than-expected Q2 results. SkyWest, Inc. SKYW shares jumped 16.37 percent to $16.28 after the company reported stronger-than-expected Q2 results. PDF Solutions, Inc. PDFS shares gained 15.59 percent to $15.05 after the company reported in-line Q2 earnings. Fiesta Restaurant Group Inc FRGI jumped 14.85 percent to $61.71 after the company reported upbeat Q2 earnings. Avolon Holdings Ltd AVOL shares rose 13.19 percent to $28.15 after Bohai Leasing commenced the cash tender offer to acquire 20% of Avolon for $26 per share. Moneygram International Inc MGI surged 13.13 percent to $8.91 after the company reported stronger-than-expected Q2 earnings and announced W. Alexander Holmes as company's next CEO, effective January 1, 2016. Royal Caribbean Cruises Ltd RCL shares climbed 8.69 percent to $89.93 after the company reported stronger-than-expected earnings for the second quarter and lifted its forecast for the full year. Medivation Inc MDVN shares gained 8.28 percent to $105.00 as the company announced a 2 for 1 stock split. Expedia Inc EXPE shares climbed 8.26 percent to $116.50 following better-than-expected Q2 earnings. GoPro Inc GPRO shares rose 4.56 percent to $64.50. Citi analyst Jeremy David upgraded GoPro from Neutral to Buy, while raising the price target from $63 to $90.