NEW YORK
Shares of some top managed care companies are up at noon:
Aetna rose $.29 or 1.0 percent, to $29.61.
CIGNA rose $.47 or 1.6 percent, to $30.69.
Coventry Healthcare rose $.29 or 1.3 percent, to $23.00.
Humana rose $.50 or 1.2 percent, to $41.30.
UnitedHealth rose $.42 or 1.5 percent, to $29.18.
WellPoint rose $.09 or .2 percent, to $52.59.