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

American Electric Power Co. rose $.09 or .2 percent, to $54.89.

Consolidated Edison Inc. Holding Co. fell $.03 or .1 percent, to $56.58.

Dominion Resources Inc. fell $.13 or .2 percent, to $69.85.

Duke Energy Corp. rose $.25 or .3 percent, to $72.64.

Exelon fell $.08 or .2 percent, to $34.28.

PG&E rose $.07 or .1 percent, to $47.27.

Southern Co. rose $.15 or .3 percent, to $44.79.