Managed Care companies shares mixed at 10 a.m.

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

Aetna fell $.90 or 1.1 percent, to $81.56.

Cigna Corp. fell $1.00 or 1.1 percent, to $91.11.

Humana Inc. fell $1.73 or 1.3 percent, to $126.95.

UnitedHealth Group fell $.38 or .5 percent, to $81.96.

WellPoint rose $.17 or .2 percent, to $108.91.