The company showed it is making the best of a bad macro situation.FedEx (FDX -0.95%) reported a solid quarter despite a difficult operating environment, and its shares were in the fast lane as a result. Shares of FedEx climbed 16.4% in March, according to data provided by S&P Global Market Intelligence, on signs that the company's streamlining plan is on track.Cost cutting saves the dayIt is a tough time to be a shipping company. A combination of higher costs and slowing demand due to concerns about the eco ...