HeidelbergCement AG (OTCMKTS:HLBZF – Get Rating) saw a significant drop in short interest during the month of April. As of April 30th, there was short interest totalling 794,800 shares, a drop of 23.5% from the April 15th total of 1,039,300 shares. Based on an average daily trading volume, of 2,900 shares, the days-to-cover ratio is […]