 Core Molding Technologies, Inc. NYSEAMERICAN:CMT saw a large drop in short interest during the month of June. As of June 15th, there was short interest totalling 57,700 shares, a drop of 15.6 from the May 31st total of 68,400 shares. Based on an average daily volume of 78,400 shares, the short-interest ratio is presently 0.7 ... 