Shake Shack Inc. (NYSE:SHAK – Get Rating) saw a large decrease in short interest during the month of May. As of May 15th, there was short interest totalling 2,910,000 shares, a decrease of 22.0% from the April 30th total of 3,730,000 shares. Currently, 7.8% of the company’s shares are short sold. Based on an average […]