NuVista Energy Ltd. (OTCMKTS:NUVSF – Get Free Report) was the recipient of a large drop in short interest in July. As of July 31st, there was short interest totalling 568,900 shares, a drop of 24.4% from the July 15th total of 752,900 shares. Based on an average trading volume of 3,100 shares, the days-to-cover ratio […]