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:2020-10-22, Stock:COST, The news for the past five days is as follows:
2020-10-15: NEWS1: 3 Reasons Costco Is a Great Company.NEWS2: 10 Consumer Staples Stocks With Fat Dividends and Reasonable Valuations.
2020-10-16: NEWS1: Costco (COST) Outpaces Stock Market Gains: What You Should Know.NEWS2: ‘There is a massive consolidation of power taking place in retail’: Storch Advisors CEO.NEWS3: Jefferies upgrades Costco ‘buy’ as 'leadership moat widens’.NEWS4: The Case for Costco Stock to Keep On Surging Higher.NEWS5: Better Buy: Costco vs. Dollar Tree.NEWS6: Costco Upgraded by Jefferies to Buy on Growth Prospects.
2020-10-19: NEWS1: Target is giving 350,000 workers an extra $200 bonus for the holidays.NEWS2: Alibaba Takes Over China’s Top Hypermart Chain for $3.6 Billion.
2020-10-20: NEWS1: TGT or COST: Which Is the Better Value Stock Right Now?.NEWS2: P&G raises annual sales outlook, CFO says consumers' buying 'habits will last beyond COVID'.
2020-10-21: NEWS1: 'Halftime Report' Traders Advise Viewers On Costco, Akamai And More.NEWS2: Walmart Is a Covid-19 Winner. The Case for Buying Its Stock Now..

Answer: Decrease