 Dillards, Inc. NYSE:DDS was the target of a large increase in short interest in March. As of March 13th, there was short interest totalling 6,603,200 shares, an increase of 9.9 from the February 27th total of 6,010,000 shares. Based on an average daily trading volume, of 313,400 shares, the short-interest ratio is currently 21.1 days. ... 