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:2018-12-24, Stock:EXC, The news for the past five days is as follows:
2018-12-17: NEWS1: XLU: Where Utilities Might Go in the Short Term.NEWS2: NRG, AES, FE, and EXC: Analysts’ Recommendations.
2018-12-18: NEWS1: Another 2% Plunge to Start the Week.NEWS2: Another 2% Plunge to Start the Week.NEWS3: Another 2% Plunge to Start the Week.NEWS4: See what the IHS Markit Score report has to say about Exelon Corp..
2018-12-19: nan
2018-12-20: NEWS1: Exelon Supports Workforce Development Efforts in Maryland.NEWS2: BGE ranked top utility for business customers.
2018-12-21: nan

Answer: Decrease