Why Is Heartland Express’s Valuation on the High Side among Truckload Carriers?

Source:: http://us.rd.yahoo.com/finance/external/marketrealist/rss/SIG=133ll5gsj/*http://marketrealist.com/2016/06/heartland-expresss-valuation-high-side-among-truckload-carriers/?utm_source=yahoo&utm_medium=feed