Aetna shares are trading below CVS's $207 offer, signaling investor worry

Aetna shares are trading below CVS's $207 offer, signaling investor worry

A quarter of employees likely to get coverage from private exchanges by 2018.

A quarter of employees likely to get coverage from private exchanges by 2018.

Higher regulatory standards will drive up cost of protection, company argues.

Higher regulatory standards will drive up cost of protection, company argues.

Local and state financial problems are accelerating largely because of public entities' pension plans, he says.