shares of zions bancorp na zion slid 140 to 5354 tuesday on what proved to be an allaround mixed trading session for the stock market with the dow jones industrial average djia rising 015 to 3192862 and the sp 500 index spx falling 081 to 394148 zions bancorp na closed 2190 below its 52week high 7544 which the company reached on february 10th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as us bancorp usb rose 057 to 5104 and western alliance bancorp wal fell 141 to 7561 trading volume 12 m remained 394634 below its 50day average volume of 16 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