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:2020-10-01, Stock:RIO, The news for the past five days is as follows:
2020-09-24: NEWS1: Rio Tinto Group's (LON:RIO) Intrinsic Value Is Potentially 23% Below Its Share Price.NEWS2: Japan buyers agree to pay Q4 aluminium premium of $88/T -sources.
2020-09-25: NEWS1: Aboriginal group says Rio Tinto ignored pleas to save sacred cave from blast.
2020-09-28: NEWS1: Rio Needs More Than a Safe Pair Of Hands.NEWS2: Rio Tinto changes tack, ready for talks over Bougainville mine.NEWS3: Rio Tinto smelter in focus as New Zealand's PM seeks extension.
2020-09-29: nan
2020-09-30: NEWS1: Rio Tinto Finance (USA) Limited -- Moody's assigns Prime-1 short term rating to Rio Tinto Finance (USA) Inc., affirms all Rio Tinto Group ratings; outlook stable.NEWS2: Is Rio Tinto (RIO) Stock Outpacing Its Basic Materials Peers This Year?.

Answer: Decrease