shares of norfolk southern corp nsc inched 077 higher to 23718 tuesday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 028 to 456746 and the dow jones industrial average djia rising 008 to 3543807 this was the stocks second consecutive day of gains norfolk southern corp closed 2704 short of its 52week high 26422 which the company reached on august 26th the stock outperformed some of its competitors tuesday as union pacific corp unp fell 064 to 21555 trading volume 11 m remained 155876 below 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