UPDATE: Exelon, Pepco File for Reconsideration of Their Merger By: Benzinga via Benzinga September 28, 2015 at 21:28 PM EDT Pepco Holdings Inc. (NYSE: POM) and Exelon Corporation (NYSE: EXC) today have filed a petition for reconsideration of ... Read More >> Related Stocks: Exelon Corp Macy's Pepco Holdings