Piraeus Financial Holdings S.A. (OTCMKTS:BPIRY – Get Rating) saw a large increase in short interest in May. As of May 15th, there was short interest totalling 9,900 shares, an increase of 1,880.0% from the April 30th total of 500 shares. Based on an average trading volume of 3,400 shares, the days-to-cover ratio is currently 2.9 […]