ATS Automation Tooling Systems Inc. (OTCMKTS:ATSAF – Get Rating) saw a significant increase in short interest in the month of May. As of May 31st, there was short interest totalling 259,200 shares, an increase of 80.5% from the May 15th total of 143,600 shares. Based on an average daily trading volume, of 3,200 shares, the […]