shares of western union co wu were unchanged thursday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 076 to 398135 and the dow jones industrial average djia rising 105 to 3300357 western union co closed 711 short of 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