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:2019-10-08, Stock:VALE, The news for the past five days is as follows:
2019-10-01: NEWS1: Brazil's Vale receives 82 positive structural safety certificates -filing.
2019-10-02: NEWS1: UPDATE 1-Brazil miner Vale expects to mostly finish paying for burst dam by 2021.
2019-10-03: nan
2019-10-04: NEWS1: Navios South American Logistics Inc. -- Moody's announces completion of a periodic review of ratings of Navios South American Logistics Inc..
2019-10-07: nan

Answer: Decrease