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:2021-12-16, Stock:COST, The news for the past five days is as follows:
2021-12-09: NEWS1: Costco Stock Bucks This Post-Earnings Trend, For Now.NEWS2: Costco Sales Rise During Start of Holiday Season.NEWS3: Costco Earnings: What Happened with COST.NEWS4: Costco profit and revenue beat estimates.NEWS5: UPDATE 2-Costco warns of holiday delays even as results top estimates.NEWS6: Costco warns of holiday delays even as results top estimates.NEWS7: Costco Wholesale Corporation Reports First Quarter Fiscal Year 2022 Operating Results.NEWS8: X-Square Balanced Fund Buys EOG Resources Inc, Palo Alto Networks Inc, Diamondback Energy Inc.NEWS9: Costco Stock Rises After Strong Earnings Report.NEWS10: TGT vs. COST: Which Stock Is the Better Value Option?.NEWS11: Leuthold Funds Inc Buys Costco Wholesale Corp, Walmart Inc, PowerShares QQQ Trust Ser 1, Sells ....NEWS12: Costco Fully Valued Ahead of Earnings.NEWS13: Where to Buy Costco Stock if It Falls on Earnings.NEWS14: Costco Earnings: What to Look For From COST.
2021-12-10: NEWS1: Inflation Is Soaring -- and These 2 Stocks Are Still Rising.NEWS2: Why Costco Stock Jumped Today.NEWS3: 4 Top Stock Trades for Monday: Ethereum, F, HOOD, COST.NEWS4: Dow Gains, These Techs Show Renewed Strength; Costco Stock Jumps On Earnings.NEWS5: Costco Stock Rises as Analysts Boost Price Targets After Earnings.NEWS6: Costco boosts inflation estimate for 3rd-straight quarter, says some inventory ‘won’t make it before Christmas’.NEWS7: Inflation: Food prices remaining elevated 'hurts the most vulnerable,' economist explains.NEWS8: Lululemon shares dip on lower guidance for Mirror brand sales, Costco beats earnings.NEWS9: Costco Stock Higher After Q1 Report: What Wall Street Is Saying.NEWS10: Costco's (COST) Q1 Earnings Beat, E-commerce Sales Up 14.3%.NEWS11: Costco Jumps as Retailer Overcomes Supply Issues to Top Estimates.NEWS12: 5 Top Stock Gainers for Friday After U.S. Inflation Continues to Rise.NEWS13: Costco Is a Long Term Buy But Not Here: Play It This Way Now.NEWS14: Costco Wholesale (NASDAQ:COST) is Thriving in a Challenging Environment for Retailers.NEWS15: Costco (COST) Q1 Earnings and Revenues Beat Estimates.NEWS16: Oracle, Broadcom Rise Premarket; Tesla, Chewy, Peloton Fall.NEWS17: Costco Stock Jumps On Q3 Earnings Beat, Cautions on Christmas Toy Shortages.NEWS18: Inflation Grips Stocks, Costco, Oracle & Broadcom Earnings Impress - Five Things You Must Know.
2021-12-13: NEWS1: Big Money Must Be Costco Members.NEWS2: Costco (COST) Thrives on Decent Comparable Sales Trend.NEWS3: Company News for Dec 13, 2021.NEWS4: 3 High-Growth Stocks That Could Be Worth $1 Trillion in 10 Years – or Sooner.NEWS5: 3 Stocks to Hold for the Next 20 Years.NEWS6: Costco's Charts Still Paint a Bullish Picture Even After Its Stock's Surge.
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.

Answer: Decrease