In spite of their opposition to "Obamacare," health insurance firms such as WLP, UNH, and AET...

|By:, SA News Editor

In spite of their opposition to "Obamacare," health insurance firms such as WLP, UNH, and AET have performed well since 2010's reform bill was passed: a Bloomberg study estimates the insurers' average operating margin rose to 8.24% in the 6 quarters since the bill became law, compared with 6.88% in the 18 months prior to its passage. Rising Medicare and Medicaid revenues are behind the surge.