Vonage Holdings Corp. (NASDAQ:VG – Get Rating) saw a large drop in short interest during the month of May. As of May 15th, there was short interest totalling 20,660,000 shares, a drop of 29.6% from the April 30th total of 29,330,000 shares. Based on an average daily volume of 3,530,000 shares, the short-interest ratio is […]