Halozyme Therapeutics, Smith & Wesson Holding and Century Aluminum lead small-cap volume in pre-market
Halozyme Therapeutics Inc. (Nasdaq:HALO), Smith & Wesson Holding Corp. (Nasdaq:SWHC) and Century Aluminum Co. (Nasdaq:CENX) are among the most actively traded companies in Tuesday's trading among companies with market capitalizations under $1 billion.
Also included among the results: A Power Energy Generation Systems Ltd. (Nasdaq:APWR), Focus Media Holding Ltd. (Nasdaq:FMCN), Acura Pharmaceuticals Inc. (Nasdaq:ACUR), Sterling Construction Co Inc. (Nasdaq:STRL), Sonic Corp. (Nasdaq:SONC) and AgFeed Industries Inc. (Nasdaq:FEED).
Here are the most actively traded companies among small caps:
| Price at 9:08 ET | Change | % Change | Volume | Year High | Year Low | ||
| HALO | HALOZYME THERAPEUTICS INC | 6.70 | -0.83 | -11.0% | 45.5k | 8.26 | 2.60 |
| SWHC | SMITH & WESSON HLDG CORP | 5.32 | -0.43 | -7.5% | 43.0k | 7.52 | 1.53 |
| CENX | CENTURY ALUM CO | 5.69 | +0.22 | +4.0% | 37.3k | 69.59 | 1.04 |
| APWR | A POWER ENERGY GENERAT SYS L | 7.62 | +0.22 | +3.0% | 36.4k | 31.80 | 3.00 |
| FMCN | FOCUS MEDIA HLDG LTD | 6.65 | -0.36 | -5.1% | 27.3k | 33.82 | 4.84 |
| ACUR | ACURA PHARMACEUTICALS INC | 6.11 | -1.46 | -19.3% | 13.0k | 9.30 | 3.43 |
| STRL | STERLING CONSTRUCTION CO INC | 13.00 | +0.41 | +3.3% | 12.0k | 21.19 | 7.70 |
| SONC | SONIC CORP | 8.92 | +0.42 | +4.9% | 7.3k | 18.19 | 5.78 |
| FEED | AGFEED INDUSTRIES INC | 5.70 | +0.17 | +3.1% | 6.0k | 15.18 | 0.90 |
| ZOLT | ZOLTEK COS INC | 9.30 | +0.02 | +0.2% | 4.4k | 28.69 | 4.29 |


















