shares of carmax inc kmx rallied 264 to 6110 thursday on what proved to be an allaround positive trading session for the stock market with the sp 500 index spx rising 057 to 405083 and the dow jones industrial average djia rising 043 to 3285903 this was the stocks second consecutive day of gains carmax inc closed 4514 below its 52week high 10624 which the company achieved on august 16th the stock demonstrated a mixed performance when compared to some of its competitors thursday as carvana co cl a cvna rose 1220 to 883 acv auctions inc acva rose 186 to 1257 and kar auction services inc kar rose 176 to 1328 trading volume 19 m remained 261270 below its 50day average volume of 22 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