shares of kellogg co k slipped 164 to 7251 thursday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 249 to 389575 and dow jones industrial average djia falling 225 to 3320222 kellogg co closed 466 below its 52week high 7717 which the company reached on october 31st trading volume 22 m remained 48944 below its 50day average volume of 22 m