Benzinga's Volume Movers

shares climbed 8.59 percent to $19.42. The volume of Fairchild Semiconductor shares traded was 3147 percent higher than normal. Fairchild Semi agreed to be acquired by

for $20 per share in cash.

shares rose 0.98 percent to $138.70. The volume of Airgas shares traded was 925 percent higher than normal. Airgas shares have dropped 8.30 percent over the past 52 weeks, while the S&P 500 index has gained 0.07 percent in the same period.

surged 9.58 percent to $13.73. The volume of Vipshop Holdings shares traded was 448 percent higher than normal. Vipshop reported an adjusted third-quarter earnings of $0.08/ADS on revenue of $1.36 billion.

shares moved up 4.89 percent to $16.10. The volume of Tower Semiconductor traded was 328 percent higher than normal. TowerJazz reported the purchase of Maxim Integrated Products Inc.

8-inch fabrication plant in San Antonio, TX.