03.21.2011 OTC Bulletin Board penny stocks with daily gains of over 10% on $40,000+ in trading volume
| Symbol | Company Name | Last | Net Change | % Chg | $ Volume | Volume |
| UTOG | UNIONTOWN ENERGY | 1.8 | 0.24 | 15.38% | $3,138,016 | 1819331 |
| TDCP | 3 DICON | 0.057 | 0.009 | 18.75% | $945,616 | 18680365 |
| ESPH | ECOSPHERE TECHNOLOGIES | 0.72 | 0.1002 | 16.17% | $558,395 | 821637 |
| IPRC | IMPERIAL RESOURCES | 0.6 | 0.08 | 15.38% | $443,284 | 729037 |
| GRPR | GRID PETROLEUM | 0.13 | 0.03 | 30.00% | $357,589 | 2662330 |
| EMIS | EMISPHERE TECHNOLOGIES | 1.59 | 0.17 | 11.97% | $206,709 | 131374 |
| CLHRF | CORAL GOLD RESOURCES | 0.8728 | 0.1169 | 15.47% | $182,181 | 212600 |
| IGXT | INTELGENX TECHNOLOGIES | 0.69 | 0.09 | 15.00% | $149,740 | 229500 |
| VNTH | VANTAGE HEALTH | 0.3 | 0.05 | 20.00% | $118,500 | 400000 |
| LLTP | LIGHTLAKE THERAPEUTICS | 0.81 | 0.11 | 15.71% | $106,485 | 140907 |
| DGLP | DIGITALPOST INTERACTIVE | 0.0075 | 0.002 | 36.36% | $56,597 | 6037675 |
| UAMY | UNITED STATES ANTIMONY | 0.5 | 0.05 | 11.11% | $48,415 | 96272 |
| CVVUF | CANALASKA URANIUM | 1.2 | 0.17 | 16.50% | $43,139 | 37610 |
| PDGO | PARADIGM OIL & GAS | 0.33 | 0.03 | 10.00% | $42,829 | 133657 |
| NBRI | NORTH BAY RESOURCES | 0.06 | 0.01 | 20.00% | $41,029 | 769095 |