In the following video, Fool contributor Demitrios Kalogeropoulos discusses three reasons why United Parcel Service (NYSE:UPS) can keep delivering solid returns to shareholders despite a sluggish global economy. Demitrios highlights promising e-commerce trends, efficiency gains, and rising cash levels as the best reasons to invest in UPS right now. But the biggest upside for investors going forward, he says, is in rising profits from the company's U.S business.

Fool contributor Demitrios Kalogeropoulos has no position in any stocks mentioned. The Motley Fool recommends FedEx and United Parcel Service. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.