Better Buy: FedEx Corp. vs. United Parcel Service - MotleyFool Both of these package delivery giants are benefiting from the e-commerce revolution, but one is more likely to deliver share price gains to investors. FedEx and United Parcel Service changed the world by making rapid delivery of goods a reality. Demand for fast shipping has skyrocketed as e-commerce has grown, and both companies have worked hard to capture their fair share of the market. But which of these transportation giants' stock is likely to be the smarter investment under current conditions? Let's compare.