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:2019-11-21, Stock:EXC, The news for the past five days is as follows:
2019-11-14: NEWS1: HAGENS BERMAN, NATIONAL TRIAL ATTORNEYS, Encourages Exelon Corporation (EXC) Investors with Significant Losses to Contact Its Attorneys, Firm Investigating Possible Securities Fraud.
2019-11-15: NEWS1: SHAREHOLDER ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Exelon Corporation - EXC.
2019-11-18: NEWS1: Exelon Corporation to Join the NASDAQ-100 Index Beginning November 21, 2019.
2019-11-19: NEWS1: Exelon Investor Alert: Faruqi & Faruqi, LLP Encourages Investors Who Suffered Losses Exceeding $100,000 Investing In Exelon Corporation To Contact The Firm.
2019-11-20: NEWS1: ComEd Helps Customers Identify Energy-Related Scams Over the Holidays.NEWS2: NextEra's (NEE) Unit Starts 74.9MW Project in South Carolina.NEWS3: Exelon Generation to Begin Negotiations to Acquire Full Ownership of R.E. Ginna, Nine Mile Point and Calvert Cliffs.

Answer: Decrease