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:2018-02-08, Stock:VALE, The news for the past five days is as follows:
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
2018-02-05: NEWS1: Analyst Favorites: POSCO Ranks As a Top Metals Pick.NEWS2: Analyst Favorites: POSCO Ranks As a Top Metals Pick.NEWS3: Notable ETF Inflow Detected - VWO, CHL, INFY, VALE.NEWS4: Notable ETF Inflow Detected - VWO, CHL, INFY, VALE.
2018-02-06: nan
2018-02-07: NEWS1: Vale Reaches Analyst Target Price.NEWS2: Vale Reaches Analyst Target Price.NEWS3: Pre-Market Most Active for Feb 7, 2018 :  SNAP, WYNN, DB, NOK, QQQ, TVIX, XIV, VALE, BABA, ASML, MU, CLF.NEWS4: Pre-Market Most Active for Feb 7, 2018 :  SNAP, WYNN, DB, NOK, QQQ, TVIX, XIV, VALE, BABA, ASML, MU, CLF.NEWS5: 2 Top Iron Stocks to Consider Buying Now.NEWS6: 2 Top Iron Stocks to Consider Buying Now.NEWS7: 2 Top Iron Stocks to Consider Buying Now.

Answer: Decrease