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:2021-11-09, Stock:RIO, The news for the past five days is as follows:
2021-11-02: NEWS1: Iron Ore Back Below $100 as China’s Steel Curbs Roil Market.NEWS2: Were Hedge Funds Right About The Boeing Company (BA)?.NEWS3: Iron Ore Prices in China Plunge. These Stocks Are Tumbling Too..
2021-11-03: NEWS1: 10 Best Gold Stocks To Buy Right Now.NEWS2: Rio Tinto announces purchase price for cash tender offer for 2025 notes.
2021-11-04: NEWS1: Rio Tinto announces expiration and results of its offer to purchase its 3.750 per cent Notes due 2025.
2021-11-05: nan
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.

Answer: Decrease