With banks being derided as "too big to fail," it's easy to conclude there's little room for growth at the top of the financial food chain. But at least in Wells Fargo's (NYSE:WFC) case, such a conclusion doesn't account for the massive opportunity the California-based bank has to grow its credit card operations. As Motley Fool contributor John Maxfield discusses in the following video, it could double or triple this business over the upcoming years.

John Maxfield has no position in any stocks mentioned. The Motley Fool recommends Wells Fargo. The Motley Fool owns shares of Wells Fargo. 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.