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:2018-08-09, Stock:COST, The news for the past five days is as follows:
2018-08-02: nan
2018-08-03: NEWS1: See How Dillard's Ranks Among Analysts' Top Picks With Strong Buyback Activity.NEWS2: See How Dillard's Ranks Among Analysts' Top Picks With Strong Buyback Activity.NEWS3: Noteworthy ETF Outflows: MTUM, BA, ABBV, COST.NEWS4: Noteworthy ETF Outflows: MTUM, BA, ABBV, COST.NEWS5: Avoid Gildan Stock – Despite Its Post-Earnings Surge.NEWS6: 5 things to know, and the opening date for Costco in Elk Grove.NEWS7: Wage Growth Was The Soft Spot In The July Jobs Report.NEWS8: Economy Adds 157,000 Jobs As Jobless Rate Slips To 3.9%.
2018-08-06: NEWS1: Need New Contact Lenses? Warehouse Clubs Offer Better Deals.NEWS2: Why Costco Stock May See a Big Pullback.NEWS3: Meal-Kit Provider Chef'd Closes; Is Blue Apron Next?.NEWS4: Meal-Kit Provider Chef'd Closes; Is Blue Apron Next?.NEWS5: These 12 Retailers and Restaurants Are Adding Locations.NEWS6: Meal-Kit Provider Chef&apos;d Closes; Is Blue Apron Next?.
2018-08-07: NEWS1: Cramer's charts say Costco and Target are ready for pullb....NEWS2: Charts say Costco, Target ready for pullbacks, Walmart a ....NEWS3: Cramer's charts say Costco and Target are ready for pullbacks, but Walmart's a buy.NEWS4: Notable Tuesday Option Activity: CRL, ESRX, COST.NEWS5: Notable Tuesday Option Activity: CRL, ESRX, COST.NEWS6: Buy Amazon (AMZN) Stock On Possible Gas Station & Travel Push?.NEWS7: Can Walmart Sustain Its Top-Line Momentum in Fiscal Q2?.NEWS8: Why Walmart’s Fiscal Q2 Results Could Be Key for Its Stock.
2018-08-08: NEWS1: Costco Wholesale Corporation Reports July Sales Results.NEWS2: Analysts’ Recommendations for Walmart, Pre-fiscal Q2 Results.NEWS3: Walmart Inc. (WMT) Ex-Dividend Date Scheduled for August 09, 2018.NEWS4: Walmart Inc. (WMT) Ex-Dividend Date Scheduled for August 09, 2018.NEWS5: What Analysts Expect for Walmart’s EPS in Fiscal Q2.NEWS6: See what the IHS Markit Score report has to say about Costco Wholesale Corp..NEWS7: Why Stocks Keep Charging: Cramer's 'Mad Money' Recap (Tuesday 8/7/18).

Answer: Decrease