CDTi Advanced Materials, Inc. (OTCMKTS:CDTI – Get Rating) saw a large decline in short interest during the month of April. As of April 30th, there was short interest totalling 100 shares, a decline of 50.0% from the April 15th total of 200 shares. Based on an average daily trading volume, of 5,400 shares, the days-to-cover […]