Where is KMX's stock going now? DownFlatUp KMX Carmax Beats Friday, September 22, 2017 7:41:11 AM Carmax (KMX) reported 2nd Quarter August 2017 earnings of $0.98 per share on revenue of $4.4 billion. The consensus earnings estimate was $0.95 per share on revenue of $4.3 billion. The Earnings Whisper number was $0.96 per share. Revenue grew 9.7% on a year-over-year basis.CarMax Inc together with its wholly owned subsidiaries is engaged in sales of used vehicles in the United States. It operates in two reportable segments: CarMax Sales Operations and CarMax Auto Finance.