CarMax, Inc Shares Doing Poorly; Peer Group Catches Cold By: Benzinga via Benzinga September 23, 2014 at 15:35 PM EDT CarMax, Inc's (NYSE: KMX) big losses Tuesday stemming from tighter lending standards dragged down a host of other auto retailers ... Read More >> Related Stocks: Asbury Automotive Group Inc AutoNation CarMax Lithia Motors Penske Automotive Group