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:2018-11-07, Stock:RIO, The news for the past five days is as follows:
2018-10-31: NEWS1: Asian Markets Mostly Higher After Wall Street Extends Gains.NEWS2: Asian Markets Mostly Higher After Wall Street Extends Gains.NEWS3: Australian Market Rises, Led By BHP Surge.NEWS4: Australian Market Rises, Led By BHP Surge.NEWS5: Can Iron Ore Maintain Its Price Momentum amid China’s Slowdown?.NEWS6: [$$] BHP to return $10.4bn in cash via buyback and dividend.NEWS7: Glencore Is Going to Get Crazy Rich on Coal Next Year.
2018-11-01: NEWS1: Asian Markets Mostly Higher On Trade Optimism.NEWS2: Asian Markets Mostly Higher On Trade Optimism.NEWS3: Australian Market Declines.NEWS4: Australian Market Declines.NEWS5: Rio Tinto (Commercial Paper) plc -- Moody's places Rio Tinto group ratings and all subsidiary ratings (A3 sr. unsecured) on review for upgrade.
2018-11-02: NEWS1: How Electric Vehicles Should Give a Jolt to Copper Miners.
2018-11-05: NEWS1: Southern Copper Corporation (SCCO) Ex-Dividend Date Scheduled for November 06, 2018.NEWS2: Southern Copper Corporation (SCCO) Ex-Dividend Date Scheduled for November 06, 2018.NEWS3: Asian Shares Retreat Ahead Of US Elections, Fed Meeting.NEWS4: Asian Shares Retreat Ahead Of US Elections, Fed Meeting.
2018-11-06: NEWS1: Asian Markets Mostly Higher With Modest Gains.NEWS2: Asian Markets Mostly Higher With Modest Gains.NEWS3: Australian Market Declines.NEWS4: Australian Market Declines.NEWS5: Should You Buy Paypal Holdings Inc (PYPL)?.

Answer: Rise