Power-One (Nasdaq: PWER), a holding of Jim's Messed-Up Expectations portfolio, had a very strong second quarter, beating estimates for both revenue and earnings. Not only that, but it also guided for Q3 revenue ahead of where analysts had pegged. IMS says demand is growing worldwide despite the slowing economies and reductions in tariffs. Watch the following video to see why Jim thinks it's time to add more shares as solar continues to become a larger slice of the world's energy pie.(NASDAQ:AEIS)

Profiting from our increasingly global economy can be as easy as investing in your own backyard. Our free report "3 American Companies Set to Dominate the World" shows you how. Click here to get your free copy before it’s gone.

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.