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:2021-10-13, Stock:VALE, The news for the past five days is as follows:
2021-10-06: NEWS1: Dam disasters were wake up call for Brazil's Vale, CEO says.
2021-10-07: NEWS1: Vale Opens Door to Base Metal Merger Once Its House Is in Order.NEWS2: Brazil miner Vale sees no near-term spin-off of base metals unit.NEWS3: Vale (VALE) Suspends Copper Concentrate Production at Salobo.
2021-10-08: nan
2021-10-11: nan
2021-10-12: nan

Answer: Decrease