US Global Investors, Zion Oil and Gas, and Penson Worldwide Inc lead small-cap percentage gainers
US Global Investors Inc. (Nasdaq:GROW), Zion Oil and Gas Inc. (Nasdaq:ZN) and Penson Worldwide Inc. (Nasdaq:PNSN) are among the biggest percentage gainers in Friday's trading among companies with market capitalizations under $1 billion.
Also included among the results: MDS Inc. (Nasdaq:MDZ), Simmons First National Corp. (Nasdaq:SFNC), Patriot Transportation Holdings Inc. (Nasdaq:PATR), Canadian Solar Inc. (Nasdaq:CSIQ), FiberNet Telecom Group Inc. (Nasdaq:FTGX) and Star Scientific Inc. (Nasdaq:STSI).
Here are the biggest percentage gainers among small caps:
| Price at 9:08 ET | Change | % Change | Volume | Year High | Year Low | ||
| GROW | U S GLOBAL INVS INC | 6.59 | +1.11 | +20.3% | 375.6k | 20.20 | 2.90 |
| ZN | ZION OIL & GAS INC | 8.67 | +1.40 | +19.3% | 74.5k | 17.68 | 5.07 |
| PNSN | PENSON WORLDWIDE INC | 9.95 | +1.42 | +16.6% | 3,405.1k | 19.36 | 4.02 |
| MDZ | MDS INC | 5.29 | +0.70 | +15.3% | 95.9k | 19.04 | 4.42 |
| SFNC | SIMMONS 1ST NATL CORP | 27.88 | +3.44 | +14.1% | 161.0k | 43.92 | 20.30 |
| PATR | PATRIOT TRANSN HLDG INC | 84.89 | +9.89 | +13.2% | 16.7k | 99.91 | 42.01 |
| CSIQ | CANADIAN SOLAR INC | 13.07 | +1.52 | +13.2% | 2,846.9k | 51.80 | 3.00 |
| FTGX | FIBERNET TELECOM GRP INC | 11.21 | +1.30 | +13.1% | 1,152.3k | 12.20 | 5.20 |
| STSI | STAR SCIENTIFIC INC | 5.38 | +0.62 | +13.0% | 7,257.1k | 5.30 | 1.06 |
| HBOS | HERITAGE FINL GROUP | 10.00 | +1.13 | +12.7% | 0.1k | 12.49 | 5.08 |


















