Elisa Oyj (OTCMKTS:ELMUF – Get Rating) saw a large increase in short interest during the month of May. As of May 31st, there was short interest totalling 435,400 shares, an increase of 121.0% from the May 15th total of 197,000 shares. Based on an average daily volume of 0 shares, the short-interest ratio is presently […]