CME's Duffy Returns to Work After Collapsed Lung

  • Chicago-based Duffy missed an event in New York last week
  • Duffy recently added CEO title at the giant exchange owner

Terry Duffy, chairman and chief executive officer of the CME Group Inc.

Photographer: David Paul Morris/Bloomberg
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CME Group Inc. Chief Executive Officer and Chairman Terry Duffy is back at work after recovering from a collapsed lung, according to the company, operator of the world’s largest futures exchange.

A CME director announced Duffy’s illness on May 24 at the company’s annual shareholders meeting to explain his absence. A spokeswoman for the Chicago-based company said Monday that Duffy returned to the office last week.