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

American Electric Power Co. fell $.14 or .3 percent, to $54.98.

Consolidated Edison Inc. Holding Co. rose $.04 or .1 percent, to $57.08.

Dominion Resources Inc. rose $.57 or .8 percent, to $70.33.

Duke Energy Corp. fell $.14 or .2 percent, to $72.90.

Exelon rose $.15 or .4 percent, to $36.37.

PG&E rose $.03 or .1 percent, to $47.07.

Southern Co. rose $.01 or percent, to $44.68.