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:2021-05-28, Stock:VALE, The news for the past five days is as follows:
2021-05-21: nan
2021-05-24: NEWS1: Wheaton (WPM) to Gain From Mine Expansion Moves & Buyouts.
2021-05-25: NEWS1: Is VALE S.A. (VALE) Stock Undervalued Right Now?.NEWS2: Mining Giant Vale S.A. Selects Nextracker to Supply Smart Solar Trackers for 766 MW Sol de Cerrado Solar Project in Brazil.NEWS3: Vale Could Be Bought on a Test of the 50-day Moving Average Line.
2021-05-26: nan
2021-05-27: nan

Answer: Rise