shares of copart inc cprt sank 074 to 14671 monday on what proved to be an allaround mixed trading session for the stock market with the dow jones industrial average djia rising 021 to 3486937 and the sp 500 index spx falling 028 to 444311 the stocks fall snapped a threeday winning streak copart inc closed 604 below its 52week high 15275 which the company achieved on september 16th the stock underperformed when compared to some of its competitors monday as carmax inc kmx rose 057 to 14524 lithia motors inc lad rose 194 to 35188 and autonation inc an rose 048 to 12441 trading volume 814139 remained 131133 below its 50day average volume of 945272 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