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:2018-02-09, Stock:VALE, The news for the past five days is as follows:
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.
2018-02-08: NEWS1: March 29th Options Now Available For Vale.NEWS2: March 29th Options Now Available For Vale.

Answer: Rise