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:2021-11-15, Stock:RIO, The news for the past five days is as follows:
2021-11-08: NEWS1: The 'SPAC king' just warned investors that tech stocks could get 'really pummeled' soon ⁠— here are the 3 areas he wants to be in right now.NEWS2: 10 Dividend ETFs to Buy Now.NEWS3: 10 Best Metal Stocks To Invest In.
2021-11-09: NEWS1: 10 Best Mineral Stocks To Buy Now.
2021-11-10: NEWS1: Suze Orman says this is the only asset class that has a track record of beating inflation — don't give up on it just yet.NEWS2: Was The Smart Money Right About Anheuser-Busch InBev SA/NV (BUD)?.NEWS3: Miners Have a Pesky Pollution Problem: Their Customers.
2021-11-11: NEWS1: Caterpillar (CAT), Newmont Partner to Attain Zero Emissions Mining.NEWS2: Palantir: The Perils of Extremism.
2021-11-12: nan

Answer: Decrease