JPMorgan says office renovations are coming to accommodate the bank's ballooning workforce

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• JPMorgan experienced flashpoints over real estate and desk space last year.
• The firm called its more than 300,000-person workforce back to the office five days a week.
• Now it will upgrade some of its offices to accommodate the deluge, says its chief financial officer.

JPMorgan says it's going to do something about its desk problem.

America's biggest bank, which called its roughly 320,000-person-strong global workforce back to the office five days a week last year...