UMB Financial Co. (NASDAQ:UMBF – Get Rating) saw a significant increase in short interest in April. As of April 30th, there was short interest totalling 1,150,000 shares, an increase of 12.7% from the April 15th total of 1,020,000 shares. Based on an average daily volume of 514,100 shares, the days-to-cover ratio is currently 2.2 days. […]