Utilities companies shares down at 10 a.m.

StocksAssociated Press

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

American Electric Power Co. fell $.26 or .5 percent, to $56.13.

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Consolidated Edison Inc. Holding Co. fell $.18 or .3 percent, to $60.68.

Dominion Resources Inc. fell $.22 or .3 percent, to $71.68.

Duke Energy Corp. fell $.18 or .2 percent, to $77.66.

Exelon fell $.24 or .7 percent, to $33.14.

PG&E fell $.16 or .3 percent, to $52.88.

Southern Co. fell $.12 or .3 percent, to $44.50.

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