shares of norfolk southern corp nsc inched 028 higher to 28733 monday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 047 to 456648 and the dow jones industrial average djia rising 018 to 3574115 this was the stocks fourth consecutive day of gains norfolk southern corp closed 781 short of its 52week high 29514 which the company reached on may 10th the stock demonstrated a mixed performance when compared to some of its competitors monday as union pacific corp unp rose 113 to 24028 canadian national railway co cni fell 148 to 13352 and csx corp csx rose 088 to 3573 trading volume 13 m eclipsed its 50day average volume of 12 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