Shurgard Self Storage S.A. (OTCMKTS:SSSAF – Get Rating) saw a large increase in short interest in May. As of May 15th, there was short interest totalling 95,800 shares, an increase of 498.8% from the April 30th total of 16,000 shares. Based on an average trading volume of 100 shares, the days-to-cover ratio is presently 958.0 […]