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:2018-05-11, Stock:VALE, The news for the past five days is as follows:
2018-05-04: nan
2018-05-07: NEWS1: VWO, CHL, ABEV, VALE: Large Outflows Detected at ETF.NEWS2: VWO, CHL, ABEV, VALE: Large Outflows Detected at ETF.
2018-05-08: nan
2018-05-09: NEWS1: Brazil antitrust regulator approves Vale-Yara fertilizer deal.NEWS2: Brazil antitrust regulator approves Vale-Yara fertilizer deal.
2018-05-10: nan

Answer: Rise