April 4th, 2011: OTCBB stock market: penny stocks with daily gains of over 10% on $40,000+ in trading volume
| Symbol | Company Name | Last | Net Change | % Chg | $ Volume | Volume |
| ACTC | ADVANCED CELL TECH | 0.212 | 0.02 | 10.42% | $5,986,870 | 27537999 |
| MFTH | MEDISAFE 1 TECHNOLOGIES | 0.189 | 0.039 | 26.00% | $1,046,066 | 5423022 |
| PLPE | PEOPLESTRING | 0.85 | 0.08 | 10.39% | $878,449 | 1026808 |
| WFSN | WELLSTONE FILTER SCIENCE | 0.65 | 0.07 | 12.07% | $612,037 | 1002116 |
| NVDL | NOVADEL PHARMA | 0.09 | 0.041 | 83.67% | $562,421 | 6472502 |
| NBRI | NORTH BAY RESOURCES | 0.145 | 0.041 | 39.42% | $497,352 | 3903060 |
| NWBO | NORTHWEST BIOTHERAPEUTICS | 0.565 | 0.081 | 16.74% | $485,404 | 898614 |
| THWI | THWAPR INC | 0.6 | 0.2 | 50.00% | $368,895 | 713005 |
| TPIV | TAPIMMUNE | 0.35 | 0.051 | 17.06% | $283,077 | 873100 |
| SHMX | SHAMIKA 2 GOLD | 0.286 | 0.056 | 24.35% | $262,328 | 912262 |
| MSLP | MUSCLEPHARM CORP | 0.063 | 0.008 | 14.55% | $138,676 | 2368302 |
| WNDT | WINDTAMER CORP | 0.2 | 0.045 | 29.03% | $83,034 | 470882 |
| ERHE | ERHC ENERGY | 0.1599 | 0.0249 | 18.44% | $75,272 | 494018 |
| FLTT | FLINT TELECOM GROUP | 0.0075 | 0.0016 | 27.12% | $62,864 | 8212213 |
| INCT | INNOCENT | 0.4 | 0.05 | 14.29% | $47,432 | 118230 |
| PBMC | PACIFIC BIOMARKERS | 0.25 | 0.03 | 13.64% | $44,091 | 237334 |