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:2021-10-07, Stock:EXC, The news for the past five days is as follows:
2021-09-30: NEWS1: Departments of Homeland Security and Energy Join ComEd to Showcase Power of Innovation.
2021-10-01: NEWS1: Exelon Announces CEO and CFO for Utility and Competitive Energy Businesses in Support of Separation.
2021-10-04: nan
2021-10-05: NEWS1: Families on a Limited Budget Encouraged to Take Advantage of ComEd Program to Save Money, Energy.NEWS2: The Zacks Analyst Blog Highlights: Exelon Corp, American International Group and Canadian Natural Resources.
2021-10-06: nan

Answer: Decrease