Pepco, Exelon Try To Save Merger One More Time By: Benzinga via Benzinga March 07, 2016 at 16:00 PM EST Pepco Holdings, Inc. (NYSE: POM) and Exelon Corporation (NYSE: EXC) have been in talks regarding a proposed $6.8 billion merger, and ... Read More >> Related Stocks: Exelon Corp Macy's Pepco Holdings