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:2020-10-19, Stock:COST, The news for the past five days is as follows:
2020-10-12: NEWS1: This holiday season will be like 'putting a rat down a boa's mouth': retail CEO.NEWS2: Amazon Prime Day mania will crush dying retailers: Strategist.NEWS3: 3 Hot Stocks Earning Their New Highs.NEWS4: 3 Stocks Robinhood Investors Aren't in Love With Anymore.
2020-10-13: NEWS1: Amazon Prime Day 2020 may send more retailers into the grave.NEWS2: Why Amazon Prime Day doesn't scare this Walmart investor.
2020-10-14: NEWS1: Why Alteryx's Stock Popped.NEWS2: Albertsons, Costco, and 3 Other Stocks Likely to Benefit as More Restaurants Close.NEWS3: Costco Wholesale Corporation Announces Quarterly Cash Dividend.NEWS4: ROCE Insights For Costco Wholesale.
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.

Answer: Decrease