OC Oerlikon Co. AG (OTCMKTS:OERLF – Get Rating) saw a large growth in short interest in May. As of May 31st, there was short interest totalling 61,600 shares, a growth of 32.2% from the May 15th total of 46,600 shares. Based on an average daily trading volume, of 0 shares, the days-to-cover ratio is presently […]