Benzinga's Volume Movers

shares climbed 3.49 percent to $47.45. The volume of IGATE shares traded was 4508 percent higher than normal. Cap Gemini announced its plans to buy IGATE for $4 billion.

surged 3.78 percent to $19.22. The volume of Perfect World shares traded 2005 percent higher than normal. Perfect World entered into an agreement for going private transaction for $20.20 an ADS.

shares moved up 3.54 percent to $27.46. The volume of Spectranetics traded was 475 percent higher than normal. Northland Securities upgrades Spectranetics from Underperform to Market Perform.

shares rose 6.90 percent to $13.78. The volume of Travelzoo shares traded was 431 percent higher than normal. Travelzoo shares have dropped 26.34 percent over the past 52 weeks, while the S&P 500 index has gained 13.28 percent in the same period.