Benzinga's Volume Movers (IIVI, REDF, CYOU, CLMS)

II-VI Incorporated IIVI shares moved up 14.42% to $55.00 at 10:18 am. The volume of IIVI shares traded was 644% higher than normal. IIVI reported upbeat Q3 results. Rediff.com India Limited REDF shares rose 16.87% to $13.37. The volume of REDF shares traded was 618% higher than normal. Rediff.com introduced its group deals service, named Rediff Deal Ho Jaye!, in 40 Indian cities. Changyou.com Limited CYOU shares climbed 6.30% to $46.09. The volume of CYOU shares traded was 539% higher than normal. CYOU agreed to acquire a majority stake in Shenzhen 7Road Technology Co for about $101 million. Calamos Asset Management Inc CLMS shares gained 5.37% to $16.30. The volume of CLMS shares traded was 469% higher than normal. CLMS will replace Catalyst Health Solutions CHSI in the S&P SmallCap 600 index after the close of trading on May 2, 2011. Read more from Benzinga's Markets.