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:2018-02-05, Stock:VALE, The news for the past five days is as follows:
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.
2018-01-31: NEWS1: How Has Cliffs' Revenue Composition Changed Over The Past 5 Years?.NEWS2: How Has Cliffs' Revenue Composition Changed Over The Past 5 Years?.NEWS3: China’s Auto Market Expected to Grow 3% in 2018: Impact on Iron Ore.NEWS4: Iron Ore: China’s Property Market Shows Signs of Weakness.NEWS5: Cliffs Expects Some Cost Inflation in US Iron Ore Division.NEWS6: Pre-Market Most Active for Jan 31, 2018 :  CASC, RDS/B, QQQ, AAPL, RIG, EA, BA, TVIX, MU, VALE, GGB, BAC.NEWS7: Pre-Market Most Active for Jan 31, 2018 :  CASC, RDS/B, QQQ, AAPL, RIG, EA, BA, TVIX, MU, VALE, GGB, BAC.NEWS8: Top Platinum Investments to Consider Now.NEWS9: Do China’s Steel Prices Have More Room to Benefit Iron Ore Prices?.NEWS10: What Prompted Cliffs to Speed Up Closure of Australian Operations?.
2018-02-01: NEWS1: After Hours Most Active for Feb 1, 2018 :  EPD, ETP, ETE, MPLX, QQQ, USMC, INTC, VALE, PMT, QCOM, MSFT, CSCO.NEWS2: After Hours Most Active for Feb 1, 2018 :  EPD, ETP, ETE, MPLX, QQQ, USMC, INTC, VALE, PMT, QCOM, MSFT, CSCO.NEWS3: Stocks With Rising Relative Price Strength: Southern Copper.NEWS4: Stocks With Rising Relative Price Strength: Southern Copper.NEWS5: Iron Ore and China’s Industrial Production and Asset Investment.NEWS6: Will China’s Credit Growth Crackdown Mean Weakness in Iron Ore?.
2018-02-02: nan

Answer: Decrease