 SALT LAKE CITY--BUSINESS WIRE--Zions Bancorporation, N.A. NASDAQ: ZION announced today that its board of directors board authorized a share repurchase for the third quarter of 2021 of up to 125 million. The board also declared a regular quarterly dividend of 0.38 per common share, payable August 19, 2021 to shareholders of record at the close of business on August 12, 2021. Additionally, the board declared regular quarterly cash dividends on the companys various perpetual preferred s 