shares of carmax inc kmx inched 064 higher to 7221 monday on what proved to be an allaround mixed trading session for the stock market with the sp 500 index spx rising 002 to 419263 and the dow jones industrial average djia falling 042 to 3328658 carmax inc closed 3403 below its 52week high 10624 which the company reached on august 16th the stock demonstrated a mixed performance when compared to some of its competitors monday as carvana co cl a cvna rose 680 to 1147 acv auctions inc acva rose 160 to 1780 and openlane inc kar rose 039 to 1535 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