JPMorgan's CFO warns cutting credit card interest could make the business not worth being in

JPMorgan Chase CEO Jamie Dimon.

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• America's biggest bank by assets, JPMorgan Chase, reported fourth-quarter earnings on Tuesday.
• CFO Jeremy Barnum discussed how reduced interest rates could impact its cards business.
• Like much of Wall Street, the firm ended 2025 strong and entered 2026 with the wind at its back.

JPMorgan Chase's chief financial officer outlined the impact of a rate cut on its credit card business on Tuesday, warning that...