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:2021-12-09, Stock:EXC, The news for the past five days is as follows:
2021-12-02: nan
2021-12-03: NEWS1: Exelon (EXC) Down 2.2% Since Last Earnings Report: Can It Rebound?.
2021-12-06: NEWS1: The Zacks Analyst Blog Highlights: Apple, Cisco Systems, Linde, Exelon and Keurig Dr Pepper.
2021-12-07: nan
2021-12-08: NEWS1: It's official: Constellation will be headquartered in Baltimore after Exelon split.

Answer: Decrease