Morning Market Movers

IsoRay ISR shares gained 27.31% to $2.37 after the company reported the publication of the first major peer reviewed study showing improved results using IsoRay's Cesium-131 seeds in the treatment of gynecologic cancer.. Akers Biosciences AKER shares rose 25.39% to $4.00 after the company reported that it has commenced clinical trials for PIFA PLUSS Chlamydia assay. LogMeIn LOGM shares jumped 19.35% to $46.69 after the company reported better-than-expected quarterly results and issued a strong outlook. Aspen Technology AZPN shares gained 18.65% to $44.79 after tehc ompany reported upbeat quarterly results and announced a $200 million share repurchase program. Pepco Holdings POM climbed 17.91% to $26.87 after Exelon EXC announced its plans to buy Pepco for $6.83 billion. Energizer Holdings ENR shares gained 16.46% to $113.79 after the company announced its plans to split into 2 companies. Sterling Construction Co STRL shares rose 13.24 % to $7.70 after the company reported preliminary Q1 results. Garmin GRMN jumped 8.01% to $59.50 after the company reported stronger-than-expected first-quarter earnings. Ossen Innovation Co OSN jumped 7.02% to $1.22 on Q4 results. RF Micro Devices RFMD shares gained 5.44% to $8.53 after the company reported upbeat Q4 earnings and issued a strong Q1 outlook. Nova Measuring Instruments NVMI jumped 5.02% to $10.25 after the company reported better-than-expected Q1 results.