OC Oerlikon Co. AG (OTCMKTS:OERLF – Get Free Report) was the recipient of a significant drop in short interest in April. As of April 15th, there was short interest totalling 599,600 shares, a drop of 16.2% from the March 31st total of 715,200 shares. Based on an average trading volume of 100 shares, the days-to-cover […]