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

Caterpillar rose $.20 or .2 percent, to $108.17.

Deere & Co. fell $.09 or .1 percent, to $85.02.

Manitowoc fell $.03 or .1 percent, to $28.43.

Terex rose $.05 or .1 percent, to $37.42.