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Tribune News Service
Tribune News Service
Business
Mike Hughlett

How a business that looked so good turned so bad for 3M

In 2008, 3M announced the acquisition of Aearo Technologies with the ballyhoo befitting a $1.2 billion deal.

Today, Aearo is a millstone that could drag on 3M's finances for years to come.

Aearo's line of military earplugs is at the heart of one of the largest mass torts in U.S. history, potentially saddling 3M with tens of billions of dollars in liabilities.

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