Key Takeaways

• FedEx shares are sinking nearly 6% in premarket trading Wednesday, a day after the shipping giant reported fiscal fourth-quarter results.
• The results topped analysts' estimates, but FedEx's first-quarter profit projection was worse than expected.
• The company also didn't provide a full-year sales or profit outlook, which some analysts had said was more important than the Q4 results.

FedEx (FDX) shares are moving sharply lower in premarket trading Wednesday, a day after the shipping giant didn't provide a full-year outlook and projected lo...