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:2021-05-12, Stock:RIO, The news for the past five days is as follows:
2021-05-05: NEWS1: Rio Tinto (RIO) Outpaces Stock Market Gains: What You Should Know.NEWS2: Rio Tinto, IBD Stock Of The Day, Breaks Out As Copper Hits Key Level.
2021-05-06: NEWS1: Using IBD's Stock Screener To Chase Down Global Growth Stocks.NEWS2: Dow Jones Futures: Vaccine Makers Continue To Sell Off, But Chevron, Goldman Lead 10 Stocks Flashing Buy Signals.NEWS3: Dow Jones Futures: Market Rally Split On Vaccine Patent News, But Chevron, Goldman Lead 10 Stocks Flashing Buy Signals.NEWS4: Rio Tinto shareholders reject executives' pay in caves blast backlash.NEWS5: Rio Tinto suffers huge revolt over pay.
2021-05-07: NEWS1: Dow Jones Today, Nasdaq Rally Despite April Payrolls Miss: Miners Rally As Copper Jumps; Alphabet, Rio Tinto In Buy Zones.NEWS2: Dow Jones Today, Nasdaq Divirge On April Payrolls Miss: Miners Rally As Copper Jumps; Alphabet, Rio Tinto In Buy Zones.NEWS3: Copper and iron ore prices hit record highs amid hopes for global recovery.NEWS4: Dow Jones Today, Futures Divide On April Payrolls Miss: Miners Rally As Copper Jumps; Alphabet, Rio Tinto In Buy Zones.NEWS5: Dow Jones Today, Futures Hold Fire Ahead Of Payrolls Report: Miners Rally As Copper Jumps; Alphabet, Rio Tinto In Buy Zones.
2021-05-10: NEWS1: Is Rio Tinto (RIO) Stock Outpacing Its Basic Materials Peers This Year?.NEWS2: Copper hits new high as commodities boom continues.
2021-05-11: NEWS1: Palantir Rallies on Sales Forecast, Embrace of Bitcoin.

Answer: Decrease