SO - Barclays downgrades AEE LNT CMS; upgrades POR NWE SO

Barclays analyst Eric Beaumont downgrades Ameren (AEE) to Underweight from Equal-weight and Alliant Energy (LNT) and CMS Energy (CMS) to Equal-weight from Overweight.Upgrades Portland General Electric (POR) to Equal-weight from Underweight and NorthWestern (NWE) and Southern (SO) to Overweight from Equal-weight.The affected stocks are relatively subdued in premarket trading: AEE unchanged; LNT rises 2.0%; CMS falls 0.9%; POR essentially flat; NWE +0.5%; SO also unchanged.

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Barclays downgrades AEE, LNT, CMS; upgrades POR, NWE, SO