OTCBB penny stocks with daily gains of over 10% with at least $40,000 in trading volume for July 13th, 2011 Symbol Company Name Last Net Change % Chg $ Volume Volume BOCL GLOBAL NUTECH 0.0016 0.0005 45.45% $55,167 45629318 AAVG AVSTAR AVIATION GROUP 0.003 0.0004 15.38% $96,235 29312000 SLGLF SILVERADO GOLD MINES 0.003 0.0004 15.38% […]