shares of zions bancorp na zion slipped 014 to 7089 monday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 024 to 437394 and dow jones industrial average djia falling 049 to 3389260 zions bancorp na closed 455 below its 52week high 7544 which the company reached on february 10th despite its losses the stock outperformed some of its competitors monday as us bancorp usb fell 140 to 5654 and western alliance bancorp wal fell 059 to 9374 trading volume 17 m eclipsed its 50day average volume of 15 m editors note this story was autogenerated by automated insights an automation technology provider using data from dow jones and factset see our market data terms of use