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:2021-01-19, Stock:COST, The news for the past five days is as follows:
2021-01-11: NEWS1: Costco's December Sales: Another Double-Digit Gain.
2021-01-12: NEWS1: Albertsons CEO says digital and work-from-home will fuel grocery sales even after pandemic.NEWS2: Walmart testing grocery delivery without users being home.NEWS3: Top Stock Reports for Verizon, Costco & Morgan Stanley.NEWS4: 3 Things to Expect From Target in 2021.
2021-01-13: NEWS1: Looking for Winning Investments? Follow This Simple Rule.NEWS2: Could Costco Be a Millionaire Maker Stock?.NEWS3: The Zacks Analyst Blog Highlights: Verizon, Costco Wholesale, Morgan Stanley, Starbucks and Advanced Micro Devices.
2021-01-14: NEWS1: Costco (COST) Dips More Than Broader Markets: What You Should Know.NEWS2: Zacks Earnings Trends Highlights: Costco, Nike, FedEx and Oracle.NEWS3: Bull of the Day: BJ's Wholesale Club (BJ).NEWS4: BJ’s Wholesale vs Costco: Which Retail Stock Boasts Higher Upside Potential?.
2021-01-15: nan

Answer: Decrease