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:2021-09-21, Stock:EXC, The news for the past five days is as follows:
2021-09-14: NEWS1: Exelon (EXC) Gets Nod to Continue Illinois Nuclear Plants.NEWS2: Crayhill Renewables and Exelon Power Services Launch Generation Management and Developer Financial Services Platform.
2021-09-15: NEWS1: AES Acquires 49.9% Stake in AES Colon, Expands LNG Portfolio.
2021-09-16: nan
2021-09-17: nan
2021-09-20: NEWS1: IDACORP (IDA) Rewards Shareholders With 5.6% Dividend Hike.

Answer: Decrease