Penny stocks with daily loss of over 20% on OTC Stock Market tiers for June 30th, 2011
| Symbol | Company Name | Last | Net Change | % Chg | $ Volume | Volume |
| WTFS | XINDE TECH | 0.092 | -0.026 | -22.03% | $1,927,239 | 19093289 |
| SFIO | SMOKEFREE INNOTEC | 0.0063 | -0.0268 | -80.97% | $876,739 | 83948248 |
| TLAG | TOTAL APPAREL GROUP | 0.0111 | -0.0039 | -26.00% | $192,427 | 12223523 |
| BNTNF | BONTAN CORP | 0.1 | -0.06 | -37.50% | $143,539 | 1396710 |
| EGOH | EAGLE OIL HOLDING CO | 0.01 | -0.005 | -33.33% | $59,003 | 5611130 |
| THWI | THWAPR | 0.25 | -0.1 | -28.57% | $49,175 | 170589 |
| AAAA | AAA PUB ADJUSTING GROUP | 0.33 | -0.14 | -29.79% | $45,672 | 116520 |
| MECSF | MEC RESOURCES LTD | 0.1193 | -0.0807 | -40.35% | $35,625 | 150000 |