Dycom Industries, Inc. (NYSE:DY – Get Rating) saw a significant increase in short interest during the month of May. As of May 15th, there was short interest totalling 1,830,000 shares, an increase of 11.6% from the April 30th total of 1,640,000 shares. Based on an average daily trading volume, of 543,200 shares, the short-interest ratio […]