Penny stocks with daily loss of over 20% with $30,000+ in trading volume on OTC stock markets for June 13th, 2011
| Symbol | Company Name | Last | Net Change | % Chg | $ Volume | Volume |
| BORK | BOURQUE INDUSTRIES | 4.6 | -1.15 | -20.00% | $4,543,365 | 987530 |
| SHAR | COOPER HOLDINGS | 0.0164 | -0.0146 | -47.10% | $604,813 | 28104096 |
| GTSO | GREEN TECH | 0.67 | -0.27 | -28.72% | $457,766 | 621326 |
| BDCO | BLUE DOLPHIN ENERGY | 2.1 | -2.16 | -50.70% | $231,306 | 87255 |
| HOTM | HOTCLOUD MOBILE | 0.5 | -0.16 | -24.24% | $111,766 | 201667 |
| GRDO | GUARD DOG | 0.0014 | -0.0004 | -22.22% | $55,498 | 38273930 |
| UYMG | UNITY MGMT GROUP | 0.0023 | -0.0027 | -54.00% | $49,029 | 21052879 |
| FSHYF | FUSHAN INTL | 0.5705 | -0.1894 | -24.92% | $43,529 | 76300 |
| NDAC | NEW DRAGON ASIA | 0.0275 | -0.008 | -22.54% | $43,315 | 1566400 |
| TIVU | TIVUS | 0.0136 | -0.0034 | -20.00% | $36,184 | 2574265 |
| EDLNF | EDLEUN GROUP INC | 0.89 | -0.269 | -23.21% | $35,600 | 40000 |