UPDATE 2-Tighter subprime lending hurts used-car retailer CarMax
September 23, 2014 at 12:00 PM EDT
Sept 23 (Reuters) - CarMax Inc, the largest U.S. used-car retailer, reported a lower-than-expected quarterly profit as growth in comparable unit sales at its used-car lots slowed to a near halt, hurt by tighter lending norms that kept subprime customers at bay.