Many analysts and investors continue to believe that the banking sector is undervalued even though it's experienced an impressive rally over the last few years. While this may be true in some instances, Motley Fool contributor John Maxfield believes there are only four big bank stocks that long-term investors should consider adding to their portfolios. He discusses Wells Fargo, M&T Bank, and U.S. Bancorp in the video below.

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.