Aetna Inc.’s public health insurance exchange business continued to be underwhelming in 2015, but the insurer still managed to boost its net income by 38.3%.

As lawmakers and policy groups debated the mechanics of what would become the Affordable Care Act, health insurers saw the writing on the wall.

The two-year delay of the Cadillac tax may take some of the wind out of the sails of private health insurance exchanges, but experts say private exchanges will continue to attract customers.

Enrollment in public health insurance exchanges this year will fall far short of earlier government predictions largely because employers are retaining their group health plans at a higher rate than once forecast.

The U.S. Supreme Court will hear seven consolidated cases brought by nonprofit religious organizations challenging the so-called contraceptive mandate under the health care reform law on March 23.

If UnitedHealth Group Inc. were to bow out of the public health exchange business in 2017, as it has threatened to do, the health insurer’s exit would do little to harm marketplace competition, according to a new report.