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:2020-10-06, Stock:RIO, The news for the past five days is as follows:
2020-09-29: nan
2020-09-30: NEWS1: Rio Tinto Finance (USA) Limited -- Moody's assigns Prime-1 short term rating to Rio Tinto Finance (USA) Inc., affirms all Rio Tinto Group ratings; outlook stable.NEWS2: Is Rio Tinto (RIO) Stock Outpacing Its Basic Materials Peers This Year?.
2020-10-01: NEWS1: 5 Undervalued Stocks Trading Below the Peter Lynch Value.NEWS2: Top Ranked Income Stocks to Buy for October 1st.
2020-10-02: nan
2020-10-05: nan

Answer: Decrease