Zions Bancorporation, National Association (NASDAQ:ZIONP – Get Free Report) saw a significant decrease in short interest during the month of June. As of June 15th, there was short interest totaling 305 shares, a decrease of 72.7% from the May 31st total of 1,116 shares. Based on an average trading volume of 3,233 shares, the days-to-cover […]