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Constellation's office on Pratt Street in Baltimore. (File photo)

Exelon’s $6.8B Pepco deal in doubt after D.C.’s rejection (access required)

Regulators in Washington, D.C., rejected Exelon Corp.’s takeover of Pepco Holdings Inc., throwing in doubt a $6.8 billion deal. Pepco dropped as much as 20 percent to its lowest price in more than a year. The three-member Public Service Commission of the District of Columbia voted unanimously at a meeting Tuesday against the merger. Regulators in ...