shares of cf industries holdings inc cf slipped 134 to 6201 tuesday on what proved to be an allaround mixed trading session for the stock market with the sp 500 index spx remaining mostly unchanged at 420552 and the dow jones industrial average djia falling 015 to 3304278 this was the stocks fourth consecutive day of losses cf industries holdings inc closed 5759 below its 52week high 11960 which the company achieved on august 26th 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