Bank earnings: Five things we'll learn from next week's reports

Big financial institutions begin reporting first-quarter results next week. JPMorgan Chase (JPM), Bank of America (BAC) and Citigroup (C), the three largest banks by total assets, and Goldman Sachs (GS), the biggest remaining Wall Street firm, are kicking things off.

If the market's surge after Wells Fargo said that it expects to post record profit this quarter is any indication, investors are eager to hear some good news from the embattled financial sector. What exactly will they be listening for?