shares of western union co wu shed 024 to 1677 tuesday on what proved to be an allaround mixed trading session for the stock market with the sp 500 index spx rising 016 to 383139 and the dow jones industrial average djia falling 042 to 3096782 western union co closed 691 below its 52week high 2368 which the company reached on july 16th the stock underperformed when compared to some of its competitors tuesday as mastercard inc ma rose 032 to 31926 fidelity national information services inc fis rose 152 to 9500 and global payments inc gpn rose 081 to 11183 trading volume 26 m remained 12 million below its 50day average volume of 38 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