International Bancshares Co. (NASDAQ:IBOC – Get Rating) saw a significant increase in short interest during the month of March. As of March 15th, there was short interest totalling 1,420,000 shares, an increase of 75.2% from the February 28th total of 810,600 shares. Based on an average daily trading volume, of 277,100 shares, the days-to-cover ratio […]