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:2020-09-18, Stock:COST, The news for the past five days is as follows:
2020-09-11: NEWS1: Ambani’s $2 Chutzpah Unlocks Another Fortune.
2020-09-14: NEWS1: Costco (COST) Gains But Lags Market: What You Should Know.NEWS2: Costco, Home Depot decline Trump's payroll tax deferral plan: WSJ.NEWS3: How Has the Pandemic Changed Your Spending Habits?.NEWS4: Weekly Stock List.
2020-09-15: NEWS1: Walmart+ Launches Ahead Of Early Holiday Shopping; Here Are The Perks.
2020-09-16: NEWS1: Better Buy: Costco vs. Lowe's.NEWS2: Better Buy: Costco vs. Target.NEWS3: What Recession? Holiday Sales Projected to Rise in 2020 Despite Pandemic..NEWS4: The Argus Dividend Growth Portfolio.
2020-09-17: NEWS1: Costco (COST) Reports Next Week: Wall Street Expects Earnings Growth.NEWS2: Our Take On The Returns On Capital At Costco Wholesale (NASDAQ:COST).

Answer: Decrease