shares of union pacific corp unp were unchanged friday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 003 to 453634 and the dow jones industrial average djia rising 001 to 3522769 union pacific corp closed 2558 short of its 52week high 24236 which the company achieved on august 16th 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