Penny stocks with daily loss of over 20% with $20,000+ in trading volume on OTC stock market tier for April 14th, 2011 Symbol Company Name Last Net Change % Chg $ Volume Volume SOHAF S AMERICAN SILVER CORP 2.1564 -0.6389 -22.86% $1,583,100 656575 WCRM GREEN ENVIROTECH HOLDINGS 0.29 -0.17 -36.96% $230,670 […]