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:2018-09-13, Stock:COST, The news for the past five days is as follows:
2018-09-06: NEWS1: Costco Wholesale August, Q4 Comparable Sales Rise.NEWS2: Costco Wholesale August, Q4 Comparable Sales Rise.NEWS3: Costco August sales rise 12% to $11 billion.NEWS4: Costco Wholesale Corporation Reports August Sales Results.NEWS5: The Appeal Behind the $1 Trillion Market Cap in Amazon Stock Is Trivial.NEWS6: The Appeal Behind the $1 Trillion Market Cap in Amazon Stock Is Trivial.NEWS7: The Appeal Behind the $1 Trillion Market Cap in Amazon Stock Is Trivial.NEWS8: Walmart Stock: What Valuations and Analyst Ratings Indicate.NEWS9: Will Barclays’ Optimism Boost Walmart Stock?.
2018-09-07: NEWS1: Noteworthy Friday Option Activity: AVGO, COST, WYNN.NEWS2: Noteworthy Friday Option Activity: AVGO, COST, WYNN.NEWS3: Time to Buy Costco (COST) Stock As Sales Surge & E-Commerce Shines?.NEWS4: Time to Buy Costco (COST) Stock As Sales Surge & E-Commerce Shines?.NEWS5: Nasdaq Tries To End Losing Streak; Retail Stocks Strong.NEWS6: Time to Buy Costco (COST) Stock As Sales Surge & E-Commerce Shines?.NEWS7: August Sales Send Costco Stock to New Record.NEWS8: [$$] August Sales Send Costco Stock to New Record.NEWS9: Morning Movers: Tesla Tanks, Broadcom Bounces, Costco Gains.NEWS10: Morning Movers: Tesla Tanks, Broadcom Bounces, Costco Gains.NEWS11: Morning Movers: Tesla Tanks, Broadcom Bounces, Costco Gains.NEWS12: Consumer Sector Update for 09/07/2018: GCO, GIII, COST, RCL, TLYS.NEWS13: Consumer Sector Update for 09/07/2018: GCO, GIII, COST, RCL, TLYS.NEWS14: [$$] Stocks to Watch: Verizon Communications, Tesla, Under Armour, Campbell Soup, Broadcom, Costco Wholesale, Mattel, Okta, Palo Alto Networks.NEWS15: Will the Upcoming Earnings Report Bolster Kroger Stock?.NEWS16: [$$] Stocks to Watch: Broadcom, Costco, Mattel, Okta, Palo Alto Networks, Five Below, Finisar.NEWS17: These 21 major retailers are worth less than Amazon… combined.NEWS18: These 21 major retailers are worth less than Amazon… combined.
2018-09-10: NEWS1: Costco's Stellar Comps Run & Price Management to Fuel Sales.NEWS2: Costco's Stellar Comps Run & Price Management to Fuel Sales.NEWS3: Costco Wholesale Corporation Ends Fiscal 2018 With Another Month of Incredible Sales.NEWS4: Costco Wholesale Corporation Ends Fiscal 2018 With Another Month of Incredible Sales.NEWS5: Costco&apos;s Stellar Comps Run & Price Management to Fuel Sales.NEWS6: Kohl's Corporation (KSS) Ex-Dividend Date Scheduled for September 11, 2018.NEWS7: Kohl's Corporation (KSS) Ex-Dividend Date Scheduled for September 11, 2018.NEWS8: Costco Wholesale Corporation Ends Fiscal 2018 With Another Month of Incredible Sales.NEWS9: Today’s Research Reports on Stocks to Watch: Five Below and Costco.NEWS10: 3 Big Stock Charts for Monday: Apple, General Mills and Fastenal.
2018-09-11: NEWS1: Top Stock Reports for Merck, PepsiCo & 3M.NEWS2: Top Stock Reports for Merck, PepsiCo & 3M.NEWS3: Notable ETF Inflow Detected - ITOT, COST, NKE, UTX.NEWS4: Notable ETF Inflow Detected - ITOT, COST, NKE, UTX.NEWS5: PriceSmart (PSMT) Reports a 4.4% Sales Uptick in August.NEWS6: PriceSmart (PSMT) Reports a 4.4% Sales Uptick in August.NEWS7: What’s behind the Strong Uptrend in Costco Stock?.NEWS8: Top Stock Reports for Merck, PepsiCo & 3M.NEWS9: Will Valuations Stall Uptrend in COST, WMT, and TGT?.NEWS10: Is Costco Wholesale (COST) Stock Outpacing Its Retail-Wholesale Peers This Year?.NEWS11: See what the IHS Markit Score report has to say about Costco Wholesale Corp..NEWS12: Costco Wholesale Is the Real Walmart Killer.NEWS13: How Blue Apron Is Trying to Cook Up Success as More Americans Eat at Home.
2018-09-12: NEWS1: Big Lots, Inc. (BIG) Ex-Dividend Date Scheduled for September 13, 2018.NEWS2: Big Lots, Inc. (BIG) Ex-Dividend Date Scheduled for September 13, 2018.NEWS3: Macy's Inc (M) Ex-Dividend Date Scheduled for September 13, 2018.NEWS4: Macy's Inc (M) Ex-Dividend Date Scheduled for September 13, 2018.NEWS5: What Analysts Recommend for COST, TGT, and WMT.NEWS6: Nike Rebounds, and Amazon.com Injects Itself Into the Pharmacy Sector.NEWS7: Retail Discount Stores Outlook: Sales Picture Upbeat.NEWS8: Retail Discount Stores Outlook: Sales Picture Upbeat.

Answer: Decrease