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:2021-01-21, Stock:COST, The news for the past five days is as follows:
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
2021-01-19: NEWS1: CSAIL 2015-C3 Commercial Mortgage Trust -- Moody's affirms six classes of CSAIL 2015-C3.
2021-01-20: NEWS1: Costco (COST) Outpaces Stock Market Gains: What You Should Know.NEWS2: P&G raises full-fiscal year sales and profit outlooks, 'building on strong momentum' amid COVID-19.

Answer: Rise