shares of western union co wu slid 081 to 1106 monday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 037 to 412451 and the dow jones industrial average djia rising 098 to 3360115 western union co closed 891 below its 52week high 1997 which the company achieved on april 21st 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