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:2021-08-09, Stock:VALE, The news for the past five days is as follows:
2021-08-02: nan
2021-08-03: NEWS1: Vale reaches tentative agreement with Sudbury nickel miners' union.NEWS2: Why VALE S.A. (VALE) is a Top Value Stock for the Long-Term.
2021-08-04: NEWS1: Vale Warns Canada Nickel Ramp-up Will Stretch Into Next Quarter.
2021-08-05: NEWS1: Top Ranked Value Stocks to Buy for August 5th.
2021-08-06: NEWS1: Should Value Investors Buy VALE S.A. (VALE) Stock?.

Answer: Decrease