By the end of this week, all of the so-called "too big to fail" banks will have reported earnings. In the video below, Fool contributor John Maxfield discusses the major trends we're seeing from the sector, from stellar bottom-line results to improvements on the investment banking side of the operations.

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John Maxfield owns shares of Bank of America. The Motley Fool owns shares of Bank of America, JPMorgan Chase, and Wells Fargo. Motley Fool newsletter services recommend 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.