If you’re an investor in major Detroit automakers, parts suppliers, or dealership groups, one of the best earnings calls to catch each quarter is AutoNation‘s (NYSE: AN). The nation’s largest auto retailer sells a balanced assortment of luxury, domestic, and import vehicles, so its conference call gives a glimpse into industry pricing and overall health. The company also boasts one of the industry’s most outspoken CEOs in Mike Jackson, who isn’t afraid to call it as he sees it.