Morning Market Movers

VASCO Data Security International

shares climbed 19.40% to $13.85 after the company reported upbeat quarterly results and issued a strong FY14 revenue forecast Logitech International SA

jumped 16.28% to $15.50 after the company reported better-than-expected quarterly results and raised its operating income forecast. Healthways

shares gained 16.02% to $18.36 on upbeat Q2 earnings. MYOS

shares rose 13.31% to $14.73 after the company announced Notice of Allowance for patents on manufacturing methods. Under Armour

surged 11.51% to $67.61 on Q2 results. Under Armour posted a quarterly net profit of $17.7 million, or $0.08 per share. Celsion

shares climbed 9.24% to $3.53 after the company reported positive interim data from Phase 2 DIGNITY breast cancer study. Signal Genetics

jumped 9.02% to $7.01 after the company named Tamara Seymour as new CFO. RTI Surgical

surged 8.86% to $4.67 after the company reported upbeat Q2 results and raised its FY14 outlook. The Spectranetics

gained 8.19% to $27.22 after the company reported the FDA clearance of peripheral laser atherectomy devices. Facebook

climbed 6.42% to $75.87 after the company reported stronger-than-expected second-quarter results on strong growth in daily users and advertising revenue. Ariad Pharmaceuticals

rose 6.29% to $6.25 after jumping 15.29% on Wednesday.