i am antonio morrowt ray suarez is up next with "inside story." have a great night. ♪ >>> the ceo of united healthcare says he has concluded taking his company into the obamacare exchanges was a bad decision, and talked about withdrawing from the american insurance program. after he made the announcement, his company's shares rose. what investors see as good news for a company, may disastrous news for the future of the affordable care act. this may hurt a bit. that's the inside story. ♪ >>> welcome to "inside story." i'm ray suarez. the premise behind obamacare wasn't all that complicated in its broadest strokes. compel everyone to buy health insurance and the risk pools would have more sick people and a lot more healthy people. once earn was insured prizes would rise more slowly, premiums might go down even if insurance couldn't turn away people with preexisting conditions. now united healthcare is threatening a pullout from the exchanges. united health says fining up for the affordable care act will cost the company almost half a billion dollars

i am antonio morrowt ray suarez is up next with "inside story." have a great night. ♪ >>> the ceo of united healthcare says he has concluded taking his company into the obamacare exchanges was a bad decision, and talked about withdrawing from the american insurance program. after he made the announcement, his company's shares rose. what investors see as good news for a company, may disastrous news for the future of the affordable care act. this may hurt a bit. that's the inside story. ♪