shares of autozone inc azo sank 022 to 256736 wednesday on what proved to be an allaround grim trading session for the stock market with the sp 500 index spx falling 016 to 399105 and dow jones industrial average djia falling 026 to 3304509 this was the stocks second consecutive day of losses autozone inc closed 4269 short of its 52week high 261005 which the company reached on december 1st despite its losses the stock outperformed some of its competitors wednesday as oreilly automotive inc orly fell 205 to 84251 and advance auto parts inc aap fell 040 to 14362 trading volume 176285 eclipsed its 50day average volume of 145178 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