TerraVest Industries Inc. (OTCMKTS:TRRVF – Get Free Report) was the target of a large increase in short interest during the month of September. As of September 15th, there was short interest totalling 3,100 shares, an increase of 40.9% from the August 31st total of 2,200 shares. Based on an average trading volume of 4,500 shares, […]