Morning Market Movers

Constant Contact CTCT climbed 15.47% to $25.31 after the company lifted its Q1 and FY14 revenue outlook. Prothena Corporation plc PRTA climbed 11.80% to $33.44 after the company reported the successful start of a Phase 1 clinical trial of PRX002 for the treatment of Parkinson's disease. Citigroup initiated coverage on the stock with a Buy rating and a $50.00 price target. Senomyx SNMX shares surged 9.11% to $11.14 after the company announced a research agreement with PepsiCo PEP. Aastrom Biosciences ASTM surged 7.97% to $4.47 after the company announced the Data and Safety Monitoring Board recommendation to continue ixCELL-DCM Phase 2b clinical trial. Zogenix ZGNX rose 6.56% to $2.76 after the company requested an immediate order staying the ban on the FDA-approved Zohydro. Magnegas MNGA shares gained 5.17% to $1.63 after the company filed a new patent for binding Magnegas to hydrocarbon fuels. Constellation Brands STZ climbed 4.22% to $84.92 after the company reported better-than-expected fiscal fourth-quarter earnings. Yongye International YONG rose 2.35% to $6.97 after the company accepted revised go private bid at $7.10 per share.