Aerospace companies shares down at 10 a.m.

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

Boeing fell $.33 or .3 percent, to $128.19.

Lockheed Martin Corp. fell $2.16 or 1.4 percent, to $157.74.

Northrop Grumman Corp. fell $1.24 or 1.0 percent, to $119.95.

Raytheon fell $.77 or .8 percent, to $92.45.

Textron fell $.69 or 1.8 percent, to $37.64.

United Technologies Corp. fell $.54 or .5 percent, to $114.99.