Pola Orbis Holdings Inc. (OTCMKTS:PORBF – Free Report) saw a large increase in short interest in the month of June. As of June 15th, there was short interest totalling 191,600 shares, an increase of 30.3% from the May 31st total of 147,000 shares. Based on an average trading volume of 0 shares, the days-to-cover ratio […]