Benzinga’s Volume Movers (EVVV, PANL, QCOR, ARTC)

ev3 Inc EVVV shares gained 17.39% to $22.21 by 1:15 pm. The volume of EVVV shares traded was 11587% higher than normal. The vascular-treatment company EVVV today announced its acquisition by Covidien PLC COV in a $2.6 billion cash deal. Universal Display Corp PANL shares climbed 13.11% to $17.52 by 1:15 pm. The volume of PANL shares traded was 634% higher than normal. PANL’s March quarter earnings were 38.50% higher than anticipated. Questcor Pharmaceuticals Inc QCOR shares jumped 6.55% to $10.09. The volume of QCOR shares traded was 166% higher than normal. QCOR is a Cerritos, California-based pharmaceutical company that provides prescription drugs for the treatment of central nervous system and inflammatory disorders. ArthroCare Corp ARTC shares rose 2.41% to $30.12. The volume of ARTC shares traded was 136% higher than normal. Jefferies & Company initiated ARTC with a “buy” rating. Read more from Benzinga's Markets.