MPC Container Ships ASA (OTCMKTS:MPZZF – Get Rating) was the target of a significant increase in short interest in May. As of May 15th, there was short interest totalling 259,700 shares, an increase of 27.9% from the April 30th total of 203,000 shares. Based on an average daily volume of 5,100 shares, the short-interest ratio […]