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:2021-06-21, Stock:VALE, The news for the past five days is as follows:
2021-06-14: NEWS1: Is VALE (VALE) Outperforming Other Basic Materials Stocks This Year?.NEWS2: Vale Sudbury nickel miners' union recommends rejection of new offer.
2021-06-15: NEWS1: 10 Best Steel Stocks to Buy Amid Upcoming Infrastructure, Construction Boom.NEWS2: UPDATE 2-Members of Vale Sudbury nickel miners' union reject new offer.
2021-06-16: NEWS1: Unmanned train to allow Vale to reopen iron ore plant at Xingu dam.NEWS2: Top Mining Stocks for Q3 2021.
2021-06-17: nan
2021-06-18: nan

Answer: Rise