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:2021-01-27, Stock:RIO, The news for the past five days is as follows:
2021-01-20: NEWS1: Top Ranked Income Stocks to Buy for January 20th.
2021-01-21: nan
2021-01-22: NEWS1: TIMELINE-The battle for Simandou.NEWS2: Rio Tinto Group's (RIO) Shares March Higher, Can It Continue?.
2021-01-25: NEWS1: Is Rio Tinto (RIO) Outperforming Other Basic Materials Stocks This Year?.
2021-01-26: nan

Answer: Decrease