Atco Mining Inc. (OTCMKTS:ATMGF – Get Rating) was the target of a large decline in short interest in May. As of May 31st, there was short interest totalling 6,600 shares, a decline of 48.0% from the May 15th total of 12,700 shares. Based on an average daily volume of 71,800 shares, the days-to-cover ratio is […]