The Ohio-based regional lender Fifth Third Bancorp (NASDAQ:FITB) reports fourth-quarter earnings on Jan. 17. In the video below, Motley Fool contributing writer John Maxfield identifies the four most important metrics that investors should watch for when it does.

John Maxfield owns shares of Bank of America. The Motley Fool owns shares of Bank of America, Fifth Third Bancorp, JPMorgan Chase, and KeyCorp. 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.