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:2018-12-13, Stock:COST, The news for the past five days is as follows:
2018-12-06: NEWS1: Buy Costco (COST) Stock Before Earnings, After Kroger's Beat?.NEWS2: Buy Costco (COST) Stock Before Earnings, After Kroger's Beat?.NEWS3: Costco and Kroger Are Rising as Investors Seek Shelter.NEWS4: Huawei, Sears, Kroger & Jobs in Spotlight As Stocks Continue to Fall.NEWS5: Huawei, Sears, Kroger & Jobs in Spotlight As Stocks Continue to Fall.NEWS6: Thursday Sector Leaders: Services, Technology & Communications.NEWS7: Thursday Sector Leaders: Services, Technology & Communications.NEWS8: Buy Costco (COST) Stock Before Earnings, After Kroger's Beat?.NEWS9: Huawei, Sears, Kroger & Jobs in Spotlight As Stocks Continue to Fall.NEWS10: Kroger's (KR) Q3 Earnings Surpass Estimates, Increase Y/Y.NEWS11: Kroger's (KR) Q3 Earnings Surpass Estimates, Increase Y/Y.NEWS12: Costco Gets Bump From Same-Store Sales Beat.NEWS13: The Zacks Analyst Blog Highlights: Oracle, McDonald???s, 3M, Broadcom and Costco.NEWS14: The Zacks Analyst Blog Highlights: Oracle, McDonald???s, 3M, Broadcom and Costco.NEWS15: Costco (COST) Earnings Expected to Grow: What to Know Ahead of Next Week's Release.NEWS16: Costco (COST) Earnings Expected to Grow: What to Know Ahead of Next Week's Release.NEWS17: CLASS ACTION UPDATE for COST, OZK and DY: Levi & Korsinsky, LLP Reminds Investors of Class Actions on Behalf of Shareholders.NEWS18: Nasdaq 100 Movers: CTRP, SHPG.NEWS19: Nasdaq 100 Movers: CTRP, SHPG.NEWS20: Kroger's (KR) Q3 Earnings Surpass Estimates, Increase Y/Y.NEWS21: Costco (COST) Earnings Expected to Grow: What to Know Ahead of Next Week's Release.NEWS22: The Zacks Analyst Blog Highlights: Oracle, McDonald???s, 3M, Broadcom and Costco.NEWS23: Costco stock up 0.7% in premarket trade after beating same-store sales expectations.NEWS24: Market Morning: Day Off Doesn’t Help Wall Street, Tariffs Failling, Costco Signalling Inflation.NEWS25: Costco Wholesale Corporation Reports November Sales Results.NEWS26: Why Costco’s Q1 2019 Sales Could Sustain the Momentum.NEWS27: Costco Nov. Comps. Up 9.2% - Quick Facts.NEWS28: Costco Nov. Comps. Up 9.2% - Quick Facts.NEWS29: Here's What to Expect from Kroger's (KR) Q3 Earnings.NEWS30: Here's What to Expect from Kroger's (KR) Q3 Earnings.NEWS31: 7 Recession-Proof Stocks to Buy for When the Boom Ends.NEWS32: 7 Recession-Proof Stocks to Buy for When the Boom Ends.
2018-12-07: NEWS1: Cramer's game plan: Between the Fed, China and Apple, get ready for more volatility.NEWS2: What's in Store for Pivotal Software (PVTL) Q3 Earnings?.NEWS3: What's in Store for Pivotal Software (PVTL) Q3 Earnings?.NEWS4: SHAREHOLDER ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of Costco Wholesale Corporation - COST.NEWS5: 3 Earnings Reports to Watch Next Week.NEWS6: 3 Earnings Reports to Watch Next Week.NEWS7: Upcoming Earnings to Watch: AEO, COST, ADBE.NEWS8: Upcoming Earnings to Watch: AEO, COST, ADBE.NEWS9: What's in Store for Pivotal Software (PVTL) Q3 Earnings?.NEWS10: SHAREHOLDER ALERT: COST IGCC EIX MDR TX MAR CMCM CURO LOMA: The Law Offices of Vincent Wong Reminds Investors of Important Class Action Deadlines.NEWS11: Costco Announces 9.8% Growth in Net Sales.NEWS12: DocuSign Stock Surged After It Named a New Female Board Chair.NEWS13: DocuSign Stock Surged After It Named a New Female Board Chair.NEWS14: XLP, PM, MDLZ, COST: Large Inflows Detected at ETF.NEWS15: XLP, PM, MDLZ, COST: Large Inflows Detected at ETF.NEWS16: 3 Earnings Reports to Watch Next Week.NEWS17: Buckle's (BKE) November Comps Down, Dismal Run Persists.NEWS18: Buckle's (BKE) November Comps Down, Dismal Run Persists.NEWS19: SHAREHOLDER ALERT - Bronstein, Gewirtz & Grossman, LLC Reminds Investors of Class Action Against Costco Wholesale Corporation (COST) & Lead Plaintiff Deadline: January 7, 2019.NEWS20: Today's Research Reports on Trending Tickers: The Kroger Co. and Costco.
2018-12-10: NEWS1: CLASS ACTION UPDATE for COST, EIX and BA: Levi & Korsinsky, LLP Reminds Investors of Class Actions on Behalf of Shareholders.NEWS2: A Rally Is Coming in Kroger Stock.NEWS3: A Rally Is Coming in Kroger Stock.NEWS4: Target Stock Doesn’t Reflect the Company’s Strong Results.NEWS5: Target Stock Doesn’t Reflect the Company’s Strong Results.NEWS6: Costco Sales Rocket Higher in November.NEWS7: Costco Sales Rocket Higher in November.NEWS8: Why Costco Stock Will Stay Strong.NEWS9: Why Costco Stock Will Stay Strong.NEWS10: Costco Is Set to Make a Play for the Upside, Stay Long and Buy Strength.NEWS11: Retail is getting crushed ahead of the holidays and charts point to more pain: Analyst.NEWS12: Costco Sales Rocket Higher in November.NEWS13: AutoZone, Costco and Adobe are part of Zacks Earnings Preview.NEWS14: AutoZone, Costco and Adobe are part of Zacks Earnings Preview.NEWS15: PriceSmart's (PSMT) November Comps Down, Dismal Run Continues.NEWS16: PriceSmart's (PSMT) November Comps Down, Dismal Run Continues.NEWS17: Target Stock Doesn’t Reflect the Company’s Strong Results.NEWS18: Pawar Law Group Announces a Securities Class Action Lawsuit Against Costco Wholesale Corporation - COST.NEWS19: AutoZone, Costco and Adobe are part of Zacks Earnings Preview.NEWS20: Why Costco Stock Will Stay Strong.NEWS21: Costco (COST) Continues With Solid Comparable Sales Momentum.NEWS22: Costco (COST) Continues With Solid Comparable Sales Momentum.NEWS23: Three options strategies for the week: December 10, 2018.NEWS24: Three options strategies for the week: December 10, 2018.NEWS25: Kohl's Corporation (KSS) Ex-Dividend Date Scheduled for December 11, 2018.NEWS26: Kohl's Corporation (KSS) Ex-Dividend Date Scheduled for December 11, 2018.NEWS27: PriceSmart's (PSMT) November Comps Down, Dismal Run Continues.NEWS28: Costco (COST) Continues With Solid Comparable Sales Momentum.NEWS29: See what the IHS Markit Score report has to say about Costco Wholesale Corp..
2018-12-11: NEWS1: SHAREHOLDER ALERT: COST NKTR FIT RBBN SONS MGI ATUS CMCM: The Law Offices of Vincent Wong Reminds Investors of Important Class Action Deadlines.NEWS2: Pomerantz Law Firm Announces the Filing of a Class Action against Costco Wholesale Corporation and Certain Officers – COST.NEWS3: INVESTOR NOTICE ALERT: The Schall Law Firm Announces the Filing of a Class Action Lawsuit Against Costco Wholesale Corporation and Encourages Investors with Losses in Excess of $100,000 to Contact the Firm.NEWS4: Costco Stock May Be the Market’s Top Recession Pick.NEWS5: Costco Stock May Be the Market’s Top Recession Pick.NEWS6: Costco (COST) Q1 Earnings: Growth Momentum Likely to Sustain.NEWS7: Costco (COST) Q1 Earnings: Growth Momentum Likely to Sustain.NEWS8: What to Watch When Costco Reports Earnings.NEWS9: What to Watch When Costco Reports Earnings.NEWS10: What to Watch When Costco Reports Earnings.NEWS11: Costco (COST) Q1 Earnings: Growth Momentum Likely to Sustain.NEWS12: See what the IHS Markit Score report has to say about Costco Wholesale Corp..NEWS13: Costco Stock May Be the Market’s Top Recession Pick.
2018-12-12: NEWS1: Here's What to Expect from Costco (COST) Earnings Thursday.NEWS2: Notable Wednesday Option Activity: CORT, XPO, COST.NEWS3: Notable Wednesday Option Activity: CORT, XPO, COST.NEWS4: Costco Reports Earnings between Key Technical Levels.NEWS5: Big Lots, Inc. (BIG) Ex-Dividend Date Scheduled for December 13, 2018.NEWS6: Big Lots, Inc. (BIG) Ex-Dividend Date Scheduled for December 13, 2018.NEWS7: Factors Likely to Shape Rite Aid's (RAD) Earnings in Q3.NEWS8: Factors Likely to Shape Rite Aid's (RAD) Earnings in Q3.NEWS9: Macy's Inc (M) Ex-Dividend Date Scheduled for December 13, 2018.NEWS10: Macy's Inc (M) Ex-Dividend Date Scheduled for December 13, 2018.NEWS11: An Earnings Price Cut Will Hurt Costco Stock, But Don’t Sell the News.NEWS12: Factors Likely to Shape Rite Aid's (RAD) Earnings in Q3.NEWS13: Costco Stock Looks to Get Its Mojo Back.NEWS14: Costco Stock Looks to Get Its Mojo Back.NEWS15: Costco Stock Looks to Get Its Mojo Back.

Answer: Decrease