FedEx Corp (NYSE: FDX) is gaining sharply in extended hours on Tuesday after coming in ahead of Street estimates for its fourth financial quarter. Shares of the package delivery company are now trading at a year-to-date high. FedEx stock rallies on impressive guidanceFedEx stock is in the green in after-hours also because its management issued upbeat guidance for the future. The multinational now forecasts its per-share earnings to fall between $20 and $22. Analysts, in comparison, were at $20.85. Raj Subramaniam – the chief executive of FedEx said in a press release today: Q4 results reflect …