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:2021-08-18, Stock:XEL, The news for the past five days is as follows:
2021-08-11: NEWS1: Xcel Energy Is Number One in Clean Energy.
2021-08-12: nan
2021-08-13: NEWS1: Algonquin Power & Utilities' (AQN) Q2 Earnings Top Estimates.NEWS2: Xcel Energy (NASDAQ:XEL) Is Reinvesting At Lower Rates Of Return.
2021-08-16: NEWS1: Xcel Energy (XEL) Strong on Capex and Clean Energy Plans.NEWS2: NuScale Power Signs Memorandum of Understanding With Xcel Energy to Explore Potential Plant Operations.
2021-08-17: nan

Answer: Decrease