NEW YORK (AP) -- Shares of some top managed care companies are down at 10 a.m.:
Aetna fell $.33 or .5 percent, to $64.57.
Cigna Corp. fell $.79 or 1.0 percent, to $77.76.
Humana Inc. fell $1.10 or 1.2 percent, to $94.25.
UnitedHealth Group fell $.16 or .2 percent, to $72.42.
WellPoint fell $.77 or .9 percent, to $85.34.
