Based on the news about the stock in the past five trading days, please predict the rise or fall of the stock in the next trading day. If the stock is predicted to rise in the next trading day, please output [Rise], if the stock is predicted to fall in the next trading day, please output [Decrease].

Date:2021-12-22, Stock:EXC, The news for the past five days is as follows:
2021-12-15: NEWS1: Exelon Receives National Recognition for Leadership and Excellence in Workforce Development Programs.
2021-12-16: NEWS1: New York Public Service Commission Approves Exelon Separation.
2021-12-17: nan
2021-12-20: NEWS1: Customers Save More Than $6 Billion With ComEd Energy Efficiency Program.
2021-12-21: NEWS1: ComEd Microgrid Completes Final DOE Milestones.NEWS2: Exelon (EXC) to Gain From Cost Management & $27B Investment.

Answer: Rise