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:2019-10-21, Stock:XEL, The news for the past five days is as follows:
2019-10-14: nan
2019-10-15: NEWS1: Despite Its High P/E Ratio, Is Xcel Energy Inc. (NASDAQ:XEL) Still Undervalued?.NEWS2: Duke Energy's Arm Inks Deal to Build Battery Storage Project.NEWS3: US Utility-Scale Battery Storage Capacity to Grow Rapidly.
2019-10-16: NEWS1: FirstEnergy (FE) to Transfer TMI-2, Exit Nuclear Operations.
2019-10-17: NEWS1: Xcel Energy (XEL) Reports Next Week: Wall Street Expects Earnings Growth.
2019-10-18: nan

Answer: Rise