CommVault Systems, Akeena Solar and Emcore lead small-cap volume in pre-market

CommVault Systems Inc (Nasdaq:CVLT), Akeena Solar Inc (Nasdaq:AKNS) and Emcore Corp (Nasdaq:EMKR) are among the most actively traded companies in Wednesday's trading among companies with market capitalizations under $750 million.
China Sunergy Co Ltd (Nasdaq:CSUN), Anadigics Inc (Nasdaq:ANAD) and Silicon Image Inc (Nasdaq:SIMG) are also among the most actively traded companies.
Here are the most actively traded companies among small caps:
| Price at 9:29 ET | Change | % Change | Volume | Year High | Year Low | ||
| CVLT | COMMVAULT SYSTEMS INC | 15.35 | +1.10 | +7.7% | 60.4k | 23.04 | 10.96 |
| AKNS | AKEENA SOLAR INC DE | 5.48 | +0.17 | +3.2% | 42.0k | 16.80 | 3.10 |
| EMKR | EMCORE CORP | 7.63 | +0.12 | +1.6% | 34.3k | 15.90 | 4.32 |
| CSUN | CHINA SUNERGY CO LTD | 10.93 | +0.11 | +1.0% | 29.8k | 19.23 | 4.83 |
| ANAD | ANADIGICS INC | 11.76 | -0.26 | -2.2% | 24.6k | 19.53 | 5.85 |
| SIMG | SILICON IMAGE INC | 6.53 | -0.06 | -0.9% | 19.5k | 8.85 | 3.70 |
| CAAS | CHINA AUTOMOTIVE SYS INC | 6.40 | +0.92 | +16.8% | 16.6k | 10.47 | 4.40 |
| ASEI | AMERICAN SCIENCE & ENGR INC | 42.90 | -6.16 | -12.6% | 16.5k | 73.40 | 46.00 |
| ASTI | ASCENT SOLAR TECHNOLOGIES IN | 16.60 | +0.37 | +2.3% | 13.7k | 28.35 | 6.50 |
| OMRI | OMRIX BIOPHARMACEUTICALS INC | 14.43 | -0.07 | -0.5% | 12.3k | 39.07 | 11.81 |









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