Insurance companies shares down at 10 a.m.

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

ACE L fell $1.81 or 1.6 percent, to $110.56.

Aflac Inc. fell $.31 or .5 percent, to $64.18.

American International Group fell $.32 or .6 percent, to $57.84.

MBIA fell $.10 or 1.0 percent, to $9.67.

MGIC Investments Corp. fell $.12 or 1.1 percent, to $10.00.

MetLife fell $.35 or .7 percent, to $50.65.

XL Group PLC fell $.50 or 1.3 percent, to $37.31.