In no more than one page, explain your investment recommendation for Exelon Co. The explanation should take into account the following criteria: (1) The upside/downside potential (if any); (2) What are the key value drivers of your recommendation; (3) In the case of an upside potential, what is the market missing?; (4) In the case of a downside potential, what is the market overvaluing?; (5) The investment thesis for the company. An experienced analyst's take on Exelon would be highly appreciated.