Top 4 Mid-Cap Stocks In The Auto Dealerships Industry With The Highest Operating Margin By: Benzinga via Benzinga May 18, 2015 at 04:22 AM EDT Below are the top mid-cap auto dealerships stocks on the NYSE and the NASDAQ in terms of operating margin. The ... Read More >> Related Stocks: Asbury Automotive Group Inc AutoNation Copart Inc Lithia Motors