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:2020-07-30, Stock:RIO, The news for the past five days is as follows:
2020-07-23: NEWS1: Top Ranked Income Stocks to Buy for July 23rd.
2020-07-24: nan
2020-07-27: NEWS1: Rio Tinto reveals maiden Resource at Winu and new discovery.NEWS2: Top Ranked Income Stocks to Buy for July 27th.
2020-07-28: NEWS1: Rio Tinto Reveals Maiden Resource At Winu, New Gold Discovery.
2020-07-29: NEWS1: Rio Tinto plc (RIO) Q2 2020 Earnings Call Transcript.NEWS2: What Kind Of Shareholders Own Rio Tinto Group (LON:RIO)?.NEWS3: Rio Tinto Can Stay Stuck in a Profitable Rut, For Now.NEWS4: Rio Tinto Gets Closer to Building Game-Changer African Iron Mine.NEWS5: Rio Tinto touts 'V-shaped' China recovery as it beats profit expectations.NEWS6: Rio Tinto Raises Dividend on Strength in Iron Ore.NEWS7: Rio Tinto declares interim ordinary dividend of $2.5 billion.NEWS8: Rio Tinto first-half profit drops 4%.NEWS9: PRESS DIGEST-Financial Times - July 29.

Answer: Decrease