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:2019-06-21, Stock:VALE, The news for the past five days is as follows:
2019-06-14: NEWS1: China's iron ore sizzles in record-setting rally.
2019-06-17: NEWS1: EMERGING MARKETS-Latam FX dip as dollar comes off lows ahead of Fed outcome.
2019-06-18: NEWS1: Brazil miner Vale says mulls new railway, port for Carajas expansion.NEWS2: Iron Ore Prices Surge to 5-Year High on Supply Crunch Fears.NEWS3: Iron Ore Prices Surge to 5-Year High on Supply Crunch Fears.NEWS4: Iron Ore Prices Surge to 5-Year High on Supply Crunch Fears.
2019-06-19: NEWS1: Investors Whipsawed as Iron Ore’s Dramatic Year Continues.NEWS2: Pre-Market Most Active for Jun 19, 2019 :  MLNT, MGI, VALE, AXTA, CALA, RIO, AMD, NOK, CLF, CHWY, BYND, FB.NEWS3: Pre-Market Most Active for Jun 19, 2019 :  MLNT, MGI, VALE, AXTA, CALA, RIO, AMD, NOK, CLF, CHWY, BYND, FB.
2019-06-20: nan

Answer: Decrease