Health insurers appeared likely to offer Affordable Care Act plans in all U.S. counties next year, despite months of drama and worries among some state officials about last-minute exits, ahead of a late-Wednesday deadline.

Some major insurers that had signaled that they might pull back, including Cigna Corp. , Health Care Service Corp., Molina Healthcare Inc., Highmark Health and Independence Blue Cross, this week said they would stick to the states and regions where they had filed to offer ACA coverage.
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