The following video is part of our "Talking Stocks" series, in which Motley Fool analysts Catherine Baab-Muguira and Lyons George discuss trends across the investing universe.

A hot new trend is driving the retail sector -- but unless you're a teenage girl, you may not be aware of it yet. It's called "fast fashion," and a few key retailers are getting in on this lucrative game. Markedly different from more traditional retailers such as Abercrombie & Fitch, Gap, or even Target, this new breed of retailer enjoys an extremely low-cost business model and is seeing incredible growth.

Two of the most exciting "fast fashion" retailers are Rue21 and Body Central. Should you add these retailers to your Watchlist?

Speaking of retail, we've created a special free report for investors to uncover a soon-to-be rock star that's revolutionizing commerce in Latin America, and you can get instant access to the name of this company at no cost.