ArcBest (ARCB) shares ended the last trading session 6% higher at $146.23. The jump came on an impressive volume with a higher-than-average number of shares changing hands in the session. This compares to the stock's 1.7% loss over the past four weeks. Shares of this transportation company have performed well lately, gaining 21.7% on a year-to-date basis. The company's efforts to automate the supply chain are praisworthy. Operational efficiencies roo bode well. According to Baird analysts, companies like AR ...