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:2018-07-20, Stock:EXC, The news for the past five days is as follows:
2018-07-13: NEWS1: WGL Holdings names new CEO, executive payouts after AltaGas deal closes.NEWS2: New Survey on Gender Inequality in STEM Education Underscores Critical Need for Learning and Mentorship Opportunities to Prepare Young Women for the 21st Century Workforce.NEWS3: How Exelon Stock Is Valued Compared to Its Peers.NEWS4: How Analysts Currently Rate Exelon Stock.
2018-07-16: nan
2018-07-17: NEWS1: After Hours Most Active for Jul 17, 2018 :  GE, WFC, FOXA, T, QQQ, F, BGCP, VALE, EXC, SOXX, INTC, AAPL.NEWS2: After Hours Most Active for Jul 17, 2018 :  GE, WFC, FOXA, T, QQQ, F, BGCP, VALE, EXC, SOXX, INTC, AAPL.
2018-07-18: nan
2018-07-19: NEWS1: See what the IHS Markit Score report has to say about Exelon Corp..

Answer: Decrease