15 February 2017 - Aetna chief executive Mark Bertolini said Wednesday that the Affordable Care Act's exchanges — the marketplaces where consumers can buy individual health coverage under President Barack Obama's signature health-care law — are in a “death spiral.”

Bertolini's remarks at the Wall Street Journal's the Future of Healthcare event came a day after the official end of his company's proposed merger with the health insurer Humana — a divorce that will cost Aetna a $1 billion breakup fee. It also came a day after Humana announced that it would pull out of all of its remaining ACA exchanges for 2018, arguing that the risk pool was unbalanced because not enough healthy people were signing up for insurance compared with the number of sick people.

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