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:2018-10-31, Stock:VALE, The news for the past five days is as follows:
2018-10-24: NEWS1: Brazil's Vale misses 3rd qtr income estimate, revenue rises.NEWS2: Why Vale (VALE) Might Surprise This Earnings Season.
2018-10-25: NEWS1: Vale's (VALE) Q3 Earnings Beat Estimates, Revenues Up Y/Y.NEWS2: Vale's (VALE) Q3 Earnings Beat Estimates, Revenues Up Y/Y.
2018-10-26: nan
2018-10-29: NEWS1: Brazil Stocks Reverse Despite Investor-Favored Bolsonaro Winning Presidential Election.NEWS2: Brazil Stocks Hit Record High Bolsonaro Sweeps To Power Amid Pro-Business Agenda.
2018-10-30: nan

Answer: Rise