GDI Integrated Facility Services Inc. (OTCMKTS:GDIFF – Get Rating) saw a large drop in short interest in April. As of April 15th, there was short interest totalling 28,200 shares, a drop of 11.0% from the March 31st total of 31,700 shares. Based on an average daily trading volume, of 600 shares, the days-to-cover ratio is […]