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:2021-09-10, Stock:VALE, The news for the past five days is as follows:
2021-09-02: NEWS1: VALE S.A. (VALE) Stock Sinks As Market Gains: What You Should Know.NEWS2: Brazil's Vale launches self-driving trucks at its largest iron mine Carajas.
2021-09-03: NEWS1: Miners Investing in Autonomous Operations to Improve Efficiency.
2021-09-07: NEWS1: 3 Stocks to Keep an Eye on Despite Iron Ore Prices Losing Steam.
2021-09-08: nan
2021-09-09: NEWS1: VALE S.A. (VALE) Gains As Market Dips: What You Should Know.

Answer: Decrease