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:2019-06-28, Stock:RIO, The news for the past five days is as follows:
2019-06-21: NEWS1: Rio Tinto poaches Morgan Stanley analyst as new IR head.NEWS2: The Winners and Losers From Surging Iron Ore Prices.
2019-06-24: NEWS1: ASX Recovers, KOSPI Is Flat, and Singapore Index Retreats.
2019-06-25: NEWS1: Top Ranked Income Stocks to Buy for June 25th.NEWS2: Top Ranked Income Stocks to Buy for June 25th.NEWS3: Gold Price Hits Highest in Nearly Six Years: 5 Top Picks.NEWS4: Gold Price Hits Highest in Nearly Six Years: 5 Top Picks.NEWS5: Top Ranked Income Stocks to Buy for June 25th.NEWS6: How the NZ50, ASX, Singapore, and KOSPI Indexes Fared Today.NEWS7: How NZ50, ASX, Singapore, KOSPI Indexes Fared Today.NEWS8: Gold Price Hits Highest in Nearly Six Years: 5 Top Picks.NEWS9: London markets down as Boris Johnson campaign struggles.NEWS10: European markets down as G-20 preparations begin.NEWS11: Walmart Is Now Ethical Enough for Norway’s $1 Trillion Wealth Fund.NEWS12: UPDATE 2-Norway wealth fund allowed to invest again in Walmart, Rio Tinto, others.NEWS13: Norway’s wealth fund lifts restrictions on some multinationals.NEWS14: Norway wealth fund allowed to invest again in Walmart, Rio Tinto, others.NEWS15: Supply squeeze in iron ore catches miners on the hop.
2019-06-26: NEWS1: FEATURE-Democratic but deadlocked, Mongolia braces for &quot;inevitable&quot; political change.NEWS2: Is iShares Edge MSCI Multifactor Intl ETF (INTF) a Strong ETF Right Now?.NEWS3: Is iShares Edge MSCI Multifactor Intl ETF (INTF) a Strong ETF Right Now?.NEWS4: The Zacks Analyst Blog Highlights: AngloGold, Rio Tinto, SSR, Franco-Nevada and BHP.NEWS5: The Zacks Analyst Blog Highlights: AngloGold, Rio Tinto, SSR, Franco-Nevada and BHP.NEWS6: KOSPI Is Flat, but ASX, NZ50, and Singapore Indexes Lose Slightly.NEWS7: 5 High-Yielding Stocks Jumped in 2019 and Still Hold Momentum.NEWS8: 5 High-Yielding Stocks Jumped in 2019 and Still Hold Momentum.NEWS9: Is iShares Edge MSCI Multifactor Intl ETF (INTF) a Strong ETF Right Now?.NEWS10: Kirkland Lake Gold Ltd. (KL) Ex-Dividend Date Scheduled for June 27, 2019.NEWS11: Kirkland Lake Gold Ltd. (KL) Ex-Dividend Date Scheduled for June 27, 2019.NEWS12: Yamana Gold Inc. (AUY) Ex-Dividend Date Scheduled for June 27, 2019.NEWS13: Yamana Gold Inc. (AUY) Ex-Dividend Date Scheduled for June 27, 2019.NEWS14: Osisko Gold Royalties Ltd (OR) Ex-Dividend Date Scheduled for June 27, 2019.NEWS15: Osisko Gold Royalties Ltd (OR) Ex-Dividend Date Scheduled for June 27, 2019.NEWS16: The Zacks Analyst Blog Highlights: AngloGold, Rio Tinto, SSR, Franco-Nevada and BHP.NEWS17: 5 High-Yielding Stocks Jumped in 2019 and Still Hold Momentum.
2019-06-27: NEWS1: Rio Tinto Stock Will Fall Because Iron Ore Prices Will Drop, Analyst Says.

Answer: Rise