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:2021-12-21, Stock:COST, The news for the past five days is as follows:
2021-12-14: NEWS1: Grocery giant Kroger is ending some COVID benefits for unvaccinated individuals.NEWS2: Principal Quality ETF Buys Danaher Corp, O'Reilly Automotive Inc, PerkinElmer Inc.NEWS3: 2nd Vote Funds Buys Costco Wholesale Corp, EOG Resources Inc, Xylem Inc, Sells The Hershey Co, ....NEWS4: Has Costco (COST) Outpaced Other Retail-Wholesale Stocks This Year?.NEWS5: 3 Growth Stocks to Put Under the Tree This Year.
2021-12-15: NEWS1: Market strategist: 'We need to take a breath' and realize that the U.S. economy is showing strength.NEWS2: Retail foot traffic ‘definitely has increased’: Colliers national retail director.NEWS3: Inflation Leads Shoppers to Discount Stores: 4 Stocks to Watch.NEWS4: Costco (COST): Strong Industry, Solid Earnings Estimate Revisions.NEWS5: 4 Stocks to Buy as Online Grocery Sales Continue to Boom.
2021-12-16: NEWS1: 4 Top Stock Trades for Friday: AFRM, ADBE, QCOM, COST.NEWS2: SNAX Stock: 7 Things for Stryve Foods Investors to Know About the Costco, Walmart News.NEWS3: Costco Wholesale Corp (COST) Executive VP and CFO Richard A Galanti Sold $1.2 million of Shares.NEWS4: Stryve Foods Stock Pops On Broadened Distribution Deal With Costco, Walmart.NEWS5: Mesa Laboratories and Disney have been highlighted as Zacks Bull and Bear of the Day.NEWS6: VIP Consumer Staples Portfolio Buys Lamb Weston Holdings Inc, US Foods Holding Corp, Philip ....NEWS7: The Zacks Analyst Blog Highlights: Target, Costco, TJX Companies and Dollar General.
2021-12-17: NEWS1: Power Dividend Index VIT Fund Buys ONEOK Inc, World Wrestling Entertainment Inc, Umpqua ....NEWS2: Holiday shopping season 'not as robust as usual,' expert explains.NEWS3: U.S. Retail Sales Tick Up for 4 Straight Months: 5 Top Picks.NEWS4: Amazon (AMZN) to Boost Grocery Initiatives With New Plans.NEWS5: Here's Why Hold Strategy is Apt for Ross Stores (ROST) Now.NEWS6: 3 Things to Expect From Costco in 2022.
2021-12-20: NEWS1: Retail: Apparel could become ‘the no. 1 category’ this holiday season, THE YES CEO says.NEWS2: Target (TGT) Unveils Latest Deals For Last-Minute Shopping.NEWS3: 7 Stocks to Buy if Covid-19 Becomes Endemic.NEWS4: How Amazon Takes Customers From Walmart, Target, and Costco.NEWS5: 4 Solid Retail Stocks to Buy in a Challenging Industry.

Answer: Decrease