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:2021-02-09, Stock:COST, The news for the past five days is as follows:
2021-02-02: NEWS1: 10 Best Retail Stocks To Buy Now.NEWS2: TGT vs. COST: Which Stock Should Value Investors Buy Now?.NEWS3: Turned Off by the GameStop Hysteria? 3 Top Stocks to Buy Instead.
2021-02-03: NEWS1: Costco (COST) Stock Sinks As Market Gains: What You Should Know.NEWS2: Costco's January sales rise 18% to $13.64 billion.NEWS3: Costco Wholesale Corporation Reports January Sales Results.NEWS4: Looking Into Costco Wholesale's Return On Capital Employed.
2021-02-04: NEWS1: Looking for a Growth Stock? 3 Reasons Why Costco (COST) is a Solid Choice.NEWS2: Costco Sales Rebounded Because Customers Got Their Stimulus Checks.NEWS3: Costco Delivers Stunning January Sales.NEWS4: Costco’s January Sales Surge 18% As E-Commerce Booms; Street Is Bullish.
2021-02-05: NEWS1: Why BJ's Wholesale Club Stock Gained 13% in January.
2021-02-08: NEWS1: 14 Best Low-Risk Stocks to Buy Right Now.NEWS2: Costco (COST) Thrives on Impressive Comps Show & Online Sales.

Answer: Decrease