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

American Electric Power Co. rose $.08 or .1 percent, to $54.01.

Consolidated Edison Inc. Holding Co. unchanged at $56.38.

Dominion Resources Inc. fell $.13 or .2 percent, to $69.39.

Duke Energy Corp. fell $.07 or .1 percent, to $71.96.

Exelon fell $.10 or .3 percent, to $32.75.

PG&E fell $.07 or .1 percent, to $47.22.

Southern Co. fell $.04 or .1 percent, to $44.43.