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

American Electric Power Co. rose $.17 or .3 percent, to $51.59.

Consolidated Edison Inc. Holding Co. rose $.09 or .2 percent, to $57.05.

Dominion Resources Inc. fell $.06 or .1 percent, to $68.84.

Duke Energy Corp. rose $.27 or .4 percent, to $72.36.

Exelon rose $.01 or percent, to $31.81.

PG&E fell $.10 or .2 percent, to $45.11.

Southern Co. rose $.02 or percent, to $43.44.