shares of norfolk southern corp nsc advanced 341 to 21680 monday on what proved to be an allaround favorable trading session for the stock market with the sp 500 index spx rising 259 to 367843 and the dow jones industrial average djia rising 266 to 2949089 the stocks rise snapped a twoday losing streak norfolk southern corp closed 8240 below its 52week high 29920 which the company reached on december 31st the stock demonstrated a mixed performance when compared to some of its competitors monday as union pacific corp unp rose 279 to 20026 canadian national railway co cni rose 447 to 11282 and csx corp csx rose 293 to 2742 trading volume 889994 remained 353861 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