shares of csx corp csx dropped 046 to 3267 tuesday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 042 to 412247 and dow jones industrial average djia falling 018 to 3277441 this was the stocks second consecutive day of losses csx corp closed 596 below its 52week high 3863 which the company achieved on march 7th the stock demonstrated a mixed performance when compared to some of its competitors tuesday as union pacific corp unp rose 028 to 22849 canadian national railway co cni fell 086 to 12619 and norfolk southern corp nsc fell 016 to 24934 trading volume 141 m remained 16 million below its 50day average volume of 158 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