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:2019-08-16, Stock:COST, The news for the past five days is as follows:
2019-08-09: NEWS1: Costco (COST) Stock Moves -0.31%: What You Should Know.NEWS2: Costco (COST) Stock Moves -0.31%: What You Should Know.NEWS3: Costco (COST) Stock Moves -0.31%: What You Should Know.NEWS4: 4 Discount Retail Stocks Set to Win This Earnings Season.NEWS5: 4 Discount Retail Stocks Set to Win This Earnings Season.
2019-08-12: NEWS1: Costco Posts Solid Sales in July -- but It May Not Be Good Enough.NEWS2: Costco Posts Solid Sales in July -- but It May Not Be Good Enough.NEWS3: Is Target Stock a Buy on Recent Dips?.NEWS4: Costco Posts Solid Sales in July -- but It May Not Be Good Enough.NEWS5: Blue Apron Gains Again in Q2, but It&apos;s Still Not Good.NEWS6: Noteworthy ETF Inflows: TQQQ, PEP, NFLX, COST.NEWS7: Noteworthy ETF Inflows: TQQQ, PEP, NFLX, COST.NEWS8: Factors Setting the Tone for Macy's (M) Earnings in Q2.NEWS9: Factors Setting the Tone for Macy's (M) Earnings in Q2.NEWS10: Things You Need to Know Before Tapestry's (TPR) Q4 Earnings.NEWS11: Things You Need to Know Before Tapestry's (TPR) Q4 Earnings.NEWS12: Things You Need to Know Before Tapestry's (TPR) Q4 Earnings.NEWS13: Factors Setting the Tone for Macy's (M) Earnings in Q2.
2019-08-13: NEWS1: Costco Wholesale Corporation Announces Quarterly Cash Dividend.NEWS2: Retail Sector Earnings in Focus.NEWS3: Things to Know Ahead of Urban Outfitters' (URBN) Q2 Earnings.NEWS4: Things to Know Ahead of Urban Outfitters' (URBN) Q2 Earnings.NEWS5: Things to Know Ahead of Urban Outfitters' (URBN) Q2 Earnings.NEWS6: PriceSmart, Inc. (PSMT) Ex-Dividend Date Scheduled for August 14, 2019.NEWS7: PriceSmart, Inc. (PSMT) Ex-Dividend Date Scheduled for August 14, 2019.NEWS8: Costco Wholesale (NASDAQ:COST) Seems To Use Debt Quite Sensibly.
2019-08-14: NEWS1: Who Still Shops At Macy's? 10 Retailers Cash In On Macy's Woes.NEWS2: Daily Dividend Report: STI, UNH, COST, DLR, HAL.NEWS3: Daily Dividend Report: STI, UNH, COST, DLR, HAL.NEWS4: Jim Simons Exits UnitedHealth, Costco.NEWS5: Retail Sector Earnings in Focus.NEWS6: Retail Sector Earnings in Focus.NEWS7: Bay Area malls weather wild retail storm with solid occupancy, leasing activity.
2019-08-15: NEWS1: Walmart Comps & E-Commerce Growth Impress: What's Next for WMT?.NEWS2: Costco (COST) Outpaces Stock Market Gains: What You Should Know.NEWS3: Noteworthy Thursday Option Activity: GS, COST, MSFT.NEWS4: Noteworthy Thursday Option Activity: GS, COST, MSFT.NEWS5: Interview With Shopify CEO Tobias Lutke.NEWS6: Interview With Shopify CEO Tobias Lutke.NEWS7: 10 Retailers Cash In On Macy's Woes (And It's Not Walmart).

Answer: Rise