J.B. Hunt Transport Services (JBHT) has been on my radar for many years. This transportation giant is a great tool to track the domestic economy as its stock price follows leading economic indicators. The just-released first-quarter results show a mix of both strong revenues and weak margins as rapidly rising sales were more than offset by lower margins - resulting in, once again, a lower bottom line. Regardless, investors did expect this to happen, and the stock has not done anything crazy. The performance is comparable to the S&P 500 performance as traders started to