JPMorgan Chase tells managers to 'resist' hiring, do more with less as head count balloons

Jamie Dimon, CEO of JPMorgan Chase.

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• JPMorgan Chase is telling managers to "resist headcount growth" and boost efficiencies.
• CFO Jeremy Barnum told shareholders that AI will help the firm tamp down its hiring.
• Another exec promised staffing reductions of 10% in a unit that handles fraud and account support.

JPMorgan Chase's hiring spree of the last five years may finally be winding down.

The bank's CFO on Monday told investors that starting this year...