Managed Care companies shares down at 10 a.m.

Shares of some top managed care companies are down at 10 a.m.:

Aetna fell $1.45 or 1.3 percent, to $107.98.

Anthem fell $1.66 or 1.1 percent, to $153.27.

Cigna Corp. fell $1.26 or .9 percent, to $131.55.

Humana Inc. fell $.68 or .4 percent, to $177.00.

UnitedHealth Group fell $1.72 or 1.4 percent, to $119.88.