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:2018-08-28, Stock:VALE, The news for the past five days is as follows:
2018-08-21: NEWS1: Brazil's Bradespar to pay Vale shareholder's award on Aug. 30 - filing.
2018-08-22: NEWS1: Top Analyst Reports for Southern Company, Constellation Brands & Vale.NEWS2: Top Analyst Reports for Southern Company, Constellation Brands & Vale.NEWS3: Top Analyst Reports for Southern Company, Constellation Brands & Vale.
2018-08-23: NEWS1: Vale (VALE) Bets on Growing Steel Demand & Lower Debt Levels.NEWS2: Vale (VALE) Bets on Growing Steel Demand & Lower Debt Levels.NEWS3: Vale (VALE) Bets on Growing Steel Demand & Lower Debt Levels.NEWS4: The Zacks Analyst Blog Highlights: Southern, Constellation Brands, Vale, CME Group and Sempra Energy.NEWS5: The Zacks Analyst Blog Highlights: Southern, Constellation Brands, Vale, CME Group and Sempra Energy.
2018-08-24: NEWS1: Notable ETF Outflow Detected - MXI, VALE, SHW, APD.NEWS2: Notable ETF Outflow Detected - MXI, VALE, SHW, APD.
2018-08-27: NEWS1: Monday's ETF with Unusual Volume: MXI.NEWS2: Monday's ETF with Unusual Volume: MXI.

Answer: Decrease