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:2019-09-18, Stock:EXC, The news for the past five days is as follows:
2019-09-11: NEWS1: NorthWestern Corporation (NWE) Ex-Dividend Date Scheduled for September 12, 2019.NEWS2: NorthWestern Corporation (NWE) Ex-Dividend Date Scheduled for September 12, 2019.
2019-09-12: NEWS1: Exelon tower window falls again in Harbor Point.NEWS2: XLU, EXC, AEP, SRE: ETF Outflow Alert.NEWS3: XLU, EXC, AEP, SRE: ETF Outflow Alert.
2019-09-13: NEWS1: Exelon Switches to Nasdaq; Joins Leading Climate Focused Innovators.
2019-09-16: nan
2019-09-17: nan

Answer: Rise