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Unusual Volume for NASDAQ Stocks
Seeing today's unusual volume on a stock is like seeing people standing in line overnight to buy the latest and greatest gadget or must-have item. Unusual volume tells you something important is going on with a stock, and you should pay attention.
Up on Unusual Volume
| Symbol | Company | Last Sale | Price Change Net / % | Share Volume | Volume % Change | |
|---|---|---|---|---|---|---|
| Zoltek Companies, Inc. | $ 13.11 | 3.64  38.44% |
4,526,094 | 1385% | ||
| GSV Capital Corp | $ 20.45 | 1.94 10.48% |
1,794,444 | 724% | ||
| Acme Packet, Inc. |  |
$ 33.69 | 2.80 9.06% |
21,280,365 | 626% | |
| Constant Contact, Inc. |  |
$ 30.22 | 4.22 16.23% |
3,714,173 | 611% | |
| ABIOMED, Inc. |  |
$ 20.975 | 1.735 9.02% |
2,076,860 | 571% | |
| Hercules Technology Growth Capital, Inc. |  |
$ 10.90 | .96 9.66% |
1,995,323 | 504% | |
| ACI Worldwide, Inc. |  |
$ 35.11 | 3.62 11.50% |
1,050,282 | 390% | |
| Tangoe, Inc. |  |
$ 15.36 | .55 3.71% |
626,406 | 283% | |
| Calavo Growers, Inc. | $ 27.96 | .65 2.38% |
243,919 | 260% | ||
| Gilead Sciences, Inc. |  |
$ 54.695 | 5.385 10.92% |
37,671,505 | 255% | |
| Haynes International, Inc. | $ 64.95 | .78 1.22% |
425,650 | 249% | ||
| Spirit Airlines, Inc. |  |
$ 19.21 | 1.13 6.25% |
1,705,909 | 243% | |
| Columbia Sportswear Company |  |
$ 50 | 2.10 4.38% |
837,865 | 242% | |
| Kelly Services, Inc. |  |
$ 15.01 | .94 6.68% |
777,785 | 230% | |
| NETGEAR, Inc. |  |
$ 43.18 | 3.17 7.92% |
1,084,197 | 217% | |
| Scientific Games Corp |  |
$ 13.03 | .73 5.94% |
2,182,035 | 217% | |
| Changyou.com Limited |  |
$ 29.09 | 1.46 5.28% |
835,049 | 217% | |
| Mission West Properties, Inc. |  |
$ 10.30 | .54 5.53% |
288,057 | 216% | |
| Trimble Navigation Limited |  |
$ 50.83 | 2.69 5.59% |
1,950,097 | 202% | |
| Ixia |  |
$ 14.55 | 1.81 14.21% |
898,365 | 183% | |
-11.45% 
Select a security's symbol for a quote summary.
As of 2/3/2012 4:00:00 PM
