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:2020-10-22, Stock:EXC, The news for the past five days is as follows:
2020-10-15: nan
2020-10-16: NEWS1: Delmarva Power & Light Company -- Moody's announces completion of a periodic review of ratings of Exelon Corporation.NEWS2: Why the Earnings Surprise Streak Could Continue for Exelon (EXC).NEWS3: Shareholders Of Exelon (NASDAQ:EXC) Must Be Happy With Their 59% Return.
2020-10-19: nan
2020-10-20: NEWS1: EXC or IDA: Which Is the Better Value Stock Right Now?.
2020-10-21: nan

Answer: Rise