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:2018-01-31, Stock:VALE, The news for the past five days is as follows:
2018-01-24: NEWS1: US Corporate Tax Rate Likely to Impact BHP Billiton.NEWS2: 3 Stocks Poised To Gain On A 10% Plunge In Dollar.NEWS3: Here's What to Expect From Freeport-McMoRan's Q4 Results.NEWS4: Here's What to Expect From Freeport-McMoRan's Q4 Results.NEWS5: Pre-Market Most Active for Jan 24, 2018 :  GE, TLK, SNY, CERS, QQQ, VRX, VALE, USLV, PBR, TVIX, XT, CMCSA.NEWS6: Pre-Market Most Active for Jan 24, 2018 :  GE, TLK, SNY, CERS, QQQ, VRX, VALE, USLV, PBR, TVIX, XT, CMCSA.
2018-01-25: NEWS1: BHP Billiton Outlook: Iron Ore Volumes Flat.
2018-01-26: NEWS1: BHP Billiton: Recent Wall Street Upgrades and Downgrades.NEWS2: Pre-Market Most Active for Jan 26, 2018 :  INTC, ITUB, GDS, AZN, BABA, SBUX, GE, QQQ, MNKD, VALE, BBD, AAPL.NEWS3: Pre-Market Most Active for Jan 26, 2018 :  INTC, ITUB, GDS, AZN, BABA, SBUX, GE, QQQ, MNKD, VALE, BBD, AAPL.
2018-01-29: NEWS1: What Record Iron Ore Shipments from Port Hedland Mean for Prices.NEWS2: Can Iron Ore Prices Improve in 2018?.NEWS3: Foreign Stock Roundup: Novartis, UBS & Posco Results Impress, Sanofi Buys Bioverativ.NEWS4: Could We See Valuation Upside for BHP in 2018?.
2018-01-30: NEWS1: Can China’s Steel Production Support Iron Ore Prices in 2018?.NEWS2: China’s 2017 Iron Ore Imports Hit Record High: How’s 2018 Looking?.NEWS3: Dividend Reinstatement: Is Freeport behind the Curve?.NEWS4: Iron Ore Port Inventories Hit a New High, Prices Reel.

Answer: Rise