shares of csx corp csx slid 168 to 2976 thursday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 185 to 391832 and dow jones industrial average djia falling 166 to 3225486 csx corp closed 841 below its 52week high 3817 which the company reached on april 21st despite its losses the stock outperformed some of its competitors thursday as union pacific corp unp fell 196 to 19957 trading volume 123 m remained 697189 below its 50day average volume of 130 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