Aetna wary about exchange expansion as revenue climb The insurer.

Aetna wary about exchange expansion as revenue climb The insurer, which is taking part in health insurance exchanges in 16 states and the District of Columbia, reported strong growth in the first quarter tied to its acquisition of Coventry Health Care Inc. The Wall Road Journal: Aetna Raises Outlook On Solid Quarterly Development Aetna, which is taking part in the health-regulation exchanges in 16 says and the District of Columbia,. Said it had signed up about 230,000 paid associates through the end of the first quarter, and was projecting it might have around 450,000 by the close of the year after a surge at the end of the enrollment period generic Viagra online .