Can a financials-focused portfolio with stocks like Bank of America (NYSE:BAC), AIG (NYSE:AIG), and Realty Income (NYSE:O) leave investors too exposed to one sector? In this segment from The Motley Fool's everything-financials show, Where the Money Is, banking analysts David Hanson and Matt Koppenheffer take a question from their mailbag about diversification within a broader sector. David highlights that despite what happened during the financial crisis, financial stocks may not always perform the same way.

David Hanson owns shares of American International Group. Matt Koppenheffer owns shares of Bank of America and American International Group. The Motley Fool recommends American International Group and Bank of America. The Motley Fool owns shares of American International Group and Bank of America and has the following options: long January 2016 $30 calls on American International Group. 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.