10 stocks leading the S&P 500’s second big drop of 2016 By: MarketWatch January 06, 2016 at 10:15 AM EST AutoNation and CarMax bear the brunt of slowing luxury-auto sales. Read More >> Related Stocks: Apple AutoNation CONSOL Energy CarMax Chesapeake Energy ENSCO Plc EQT Corp Freeport-McMoRan Pioneer Natural Resources Skyworks Solutions Southwestern Energy