shares of union pacific corp unp advanced 146 to 20947 tuesday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 245 to 376479 and the dow jones industrial average djia rising 215 to 3053025 the stocks rise snapped a twoday losing streak union pacific corp closed 6947 below its 52week high 27894 which the company reached on march 31st the stock outperformed some of its competitors tuesday as canadian national railway co cni rose 105 to 10925 csx corp csx rose 021 to 2899 and norfolk southern corp nsc rose 123 to 22420 trading volume 30 m remained 208076 below its 50day average volume of 32 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