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:2018-03-07, Stock:RIO, The news for the past five days is as follows:
2018-02-28: NEWS1: Global Markets: Dollar rises on Powell's economic outlook, stocks slip.NEWS2: GLOBAL MARKETS-Dollar gains on Powell's economic outlook, stocks slip.NEWS3: Will China’s Auto Sales Keep Up with January Growth?.NEWS4: Rio Tinto Plc (RIO) Ex-Dividend Date Scheduled for March 01, 2018.NEWS5: Rio Tinto Plc (RIO) Ex-Dividend Date Scheduled for March 01, 2018.NEWS6: Will China’s Property Market Thaw Further in 2018?.NEWS7: Pre-Market Most Active for Feb 28, 2018 :  VRX, FTR, LOW, TVIX, QQQ, RIO, GM, PHH, VALE, MU, CELG, GOLD.NEWS8: Pre-Market Most Active for Feb 28, 2018 :  VRX, FTR, LOW, TVIX, QQQ, RIO, GM, PHH, VALE, MU, CELG, GOLD.NEWS9: [$$] China manufacturing gauge suffers sharpest fall in 6 years.NEWS10: Do China’s Steel Prices Have More Room to Run?.
2018-03-01: NEWS1: Rio Tinto Releases 2017 Annual Report, Changes To Argyle Diamonds Ore Reserves.NEWS2: Rio Tinto Releases 2017 Annual Report, Changes To Argyle Diamonds Ore Reserves.NEWS3: Pan American Silver Corp. (PAAS) Ex-Dividend Date Scheduled for March 02, 2018.NEWS4: Pan American Silver Corp. (PAAS) Ex-Dividend Date Scheduled for March 02, 2018.NEWS5: China’s Manufacturing Appears Weaker than Expected in January.NEWS6: How Does China’s Credit Growth Outlook Bode for Iron Ore Miners?.
2018-03-02: NEWS1: What Could Support Vale’s Iron Ore Earnings.NEWS2: Can Vale Expect Significant Upside after 4Q17 Results?.NEWS3: 'Trade wars are good,' Trump says, defying global concern over tariffs.NEWS4: [$$] Rio Tinto tumbles on tariffs.NEWS5: Australia watchdog takes Rio Tinto, executives to court over Mozambique deal.NEWS6: [$$] Australia Takes Rio to Court Over Mozambique Debacle.NEWS7: [$$] Australia watchdog to take former Rio execs to court over Mozambique mine.NEWS8: Rio Tinto's Mozambique woes mount as Australian watchdog takes company to court.NEWS9: Australia watchdog takes Rio Tinto, former executives to court over Mozambique losses.
2018-03-05: NEWS1: Indonesian president wants to wrap up talks over purchase of Freeport unit by end-April.
2018-03-06: NEWS1: Rio Tinto calls U.S. SEC fraud charges 'plainly wrong'.NEWS2: Rio Tinto calls SEC fraud charges 'plainly wrong'.NEWS3: Analysts Expect 13% Upside For The Holdings of ADRD.NEWS4: Analysts Expect 13% Upside For The Holdings of ADRD.NEWS5: Newmont Mining Corporation (NEM) Ex-Dividend Date Scheduled for March 07, 2018.NEWS6: Newmont Mining Corporation (NEM) Ex-Dividend Date Scheduled for March 07, 2018.NEWS7: What Could Support Vale’s Cash Flow?.NEWS8: Can Vale Lower Its Net Debt Significantly in 2018?.NEWS9: [$$] Rio Tinto, 2 former execs move for dismissal of SEC fraud charges.NEWS10: Indonesia president wants to wrap up Freeport talks by end-April.NEWS11: Indonesia president wants to wrap up Freeport talks by end-April.

Answer: Decrease