Paying for employee health insurance, and managing the effects on their business of the act, rank as the top two concerns in an ADP study of more than 1,000 businesses with between 50 and 999 employees.

Public opinion on the Patient Protection and Affordable Care Act hasn't changed despite the widely reported problems with the exchange launch.

American International Group Inc. said Thursday that its third-quarter net income rose 17 percent as its core insurance business improved.

The site designers feared higher capacity would expose more weaknesses.