Utility company Ameren (NYSE:AEE) agrees to sell its merchant generation business to Dynegy...

Utility company Ameren (NYSE:AEE) agrees to sell its merchant generation business to Dynegy (NYSE:DYN) and will focus on its rate-regulated electric, natural gas and transmission operations. AEE estimates benefits from the divestiture at $900M; the sale removes $825M in debt from its balance sheet and will create ~$180M in tax benefits. AEE +1.8% premarket.