shares of oreilly automotive inc orly slipped 007 to 70847 tuesday on what proved to be an allaround poor trading session for the stock market with the sp 500 index spx falling 067 to 409119 and dow jones industrial average djia falling 123 to 3239617 oreilly automotive inc closed 4021 below its 52week high 74868 which the company achieved on april 21st despite its losses the stock outperformed some of its competitors tuesday as autozone inc azo fell 034 to 215392 genuine parts co gpc fell 142 to 15076 and advance auto parts inc aap fell 049 to 19502true trading volume 449367 remained 109650 below its 50day average volume of 559017 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