shares of western union co wu slid 149 to 1715 wednesday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 404 to 392368 and dow jones industrial average djia falling 357 to 3149007 the stocks fall snapped a fourday winning streak western union co closed 819 short of its 52week high 2534 which the company achieved on june 9th the stock demonstrated a mixed performance when compared to some of its competitors wednesday as mastercard inc ma fell 087 to 33590 fidelity national information services inc fis fell 160 to 9673 and global payments inc gpn fell 348 to 11967 trading volume 40 m remained 405240 below its 50day average volume of 44 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