Aetna Inc.’s second-quarter net income tumbled almost 15 percent compared with last year, when the health insurer caught a big break from lower-than-expected leftover claims. But the latest results still beat analyst expectations, and Aetna raised its 2012 earnings forecast.
The higher outlook, announced Tuesday, comes a day after competitor Humana Inc. joined another insurer, WellPoint Inc., in cutting its 2012 earnings forecast after reporting second-quarter results. Those insurers pointed in part to concern over rising medical costs.


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