Shares of some top aerospace companies are mixed at 1 p.m.:

Boeing fell $.42 or .3 percent, to $119.97.

Lockheed Martin Corp. rose $.49 or .3 percent, to $167.61.

Northrop Grumman Corp. fell $1.50 or 1.2 percent, to $122.42.

Raytheon fell $.72 or .8 percent, to $91.07.

Textron fell $.16 or .4 percent, to $36.04.

United Technologies Corp. fell $.09 or .1 percent, to $104.66.