shares of csx corp csx slid 103 to 3168 tuesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 064 to 410990 and dow jones industrial average djia falling 101 to 3301214 csx corp closed 303 below its 52week high 3471 which the company reached on august 11th despite its losses the stock outperformed some of its competitors tuesday as union pacific corp unp fell 139 to 19687 trading volume 77 m remained 57 million below its 50day average volume of 134 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