shares of carmax inc kmx slipped 163 to 7432 thursday on what proved to be an allaround dismal trading session for the stock market with the sp 500 index spx falling 138 to 409041 and dow jones industrial average djia falling 126 to 3369685 this was the stocks second consecutive day of losses carmax inc closed 3581 short of its 52week high 11013 which the company reached on february 17th despite its losses the stock outperformed some of its competitors thursday as carvana co cl a cvna fell 1395 to 1092 iaa inc iaa fell 261 to 4222 and acv auctions inc acva fell 265 to 1102true trading volume 932188 remained 20 million below its 50day average volume of 30 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