Our roving video reporter Rex Moore recently visited a real cloud in order to highlight the investing opportunities involved. Now, Rex and cloud expert Max Keeler dig deeper into individual stocks in the last video of a five-part series. Today, Rex and Max wrap it up with a look at the top three players in the cloud, and which company might be a dark horse.

This article represents the opinion of the writer, who may disagree with the “official” recommendation position of a Motley Fool premium advisory service. We’re motley! Questioning an investing thesis -- even one of our own -- helps us all think critically about investing and make decisions that help us become smarter, happier, and richer.