Spectra7 Microsystems Inc. (OTCMKTS:SPVNF – Get Free Report) was the target of a large drop in short interest during the month of July. As of July 31st, there was short interest totalling 400 shares, a drop of 97.3% from the July 15th total of 14,800 shares. Based on an average trading volume of 22,300 shares, […]