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:2018-06-22, Stock:COST, The news for the past five days is as follows:
2018-06-15: NEWS1: Target (TGT) Continues Same-Day Delivery War with WMT & AMZN.NEWS2: Target (TGT) Continues Same-Day Delivery War with WMT & AMZN.NEWS3: Retail Winners And Losers? Costco Is On The Winning Side.NEWS4: GS Mortgage Securities Trust 2015-GC32 -- Moody's Affirms Seven Classes of GSMS 2015-GC32.NEWS5: Nasdaq 100 Movers: ADBE, BMRN.NEWS6: Nasdaq 100 Movers: ADBE, BMRN.NEWS7: Costco: It Just Keeps Getting Better.NEWS8: Why Walmart’s Current Valuation Seems Fair.NEWS9: What Will Q2 Earnings Season Bring?.NEWS10: What Will Q2 Earnings Season Bring?.
2018-06-18: NEWS1: BJ’s Wholesale Club IPO: 14 Things We Know So Far.NEWS2: BJ’s Wholesale Club IPO: 14 Things We Know So Far.NEWS3: Why Costco’s Earnings Are Growing at a Breakneck Pace.NEWS4: How Costco Outperformed Walmart and Target on Comps.NEWS5: Costco Stock Rebounds, Up 11.4% in 2018 Year-to-Date.NEWS6: BJ’s Wholesale Club IPO: 14 Things We Know So Far.NEWS7: GS Mortgage Securities Trust 2015-GC32 -- Moody's Affirms Seven Classes of GSMS 2015-GC32.NEWS8: [$$] Sustainable Investing With Teeth.
2018-06-19: NEWS1: Millennials, Your Avocados are in Good Hands Thanks to This Startup.NEWS2: Start-up that uses polymer science to make avocados last longer just scored a deal with Costco.NEWS3: 10 Top Stock Picks From Wall Street's Best Analysts.NEWS4: 10 Top Stock Picks From Wall Street's Best Analysts.NEWS5: 24 Ways to Get the Most From Your Costco Membership.NEWS6: Costco is selling special avocados that stay ripe for twi....NEWS7: Why You Should Buy Costco Wholesale Corporation on a Pullback.NEWS8: Why You Should Buy Costco Wholesale Corporation on a Pullback.NEWS9: 2 Best Reasons Not To Fall For BJ's Second Public Offering.NEWS10: How Wall Street Views Kroger.NEWS11: Millennials Love Lovesac, But Will Shareholders? The Furniture Company Announces $42M IPO.NEWS12: Why Millennials Love Lovesac Furniture.NEWS13: Why You Should Buy Costco Wholesale Corporation on a Pullback.NEWS14: Costco's Eternal Avocado Battles Food Waste.NEWS15: Costco's Eternal Avocado Battles Food Waste.NEWS16: ~72% of Analysts Suggest a ‘Buy’ for Costco Stock.NEWS17: How Has Kroger Stock Fared in 2018 Year-to-Date?.NEWS18: Millennials, Rejoice! Costco Is Selling New Avocados That Stay Ripe Twice as Long.NEWS19: Bill Gates-Backed Upstart Helps Costco Keep Avocados Ripe Longer.NEWS20: Costco’s Earnings Growth Led to a Premium over Its Peers.NEWS21: Grocery Price Wars: How Is Kroger Placed?.
2018-06-20: NEWS1: Noteworthy Wednesday Option Activity: BHVN, COST, SGMO.NEWS2: Noteworthy Wednesday Option Activity: BHVN, COST, SGMO.NEWS3: Citi Attractive Ahead of Stress Test: Deutsche Bank.NEWS4: A Single Tea Leaf in Kroger's Upcoming Earnings.NEWS5: A Single Tea Leaf in Kroger's Upcoming Earnings.NEWS6: Bloomberg: Coal Is Dead In The Ground While Renewables Will Rise. But That Could Change.NEWS7: [$$] Daily briefing: Brexit vote showdown, GE booted from Dow.NEWS8: Costco's Eternal Avocado Battles Food Waste.NEWS9: Costco's Eternal Avocado Battles Food Waste.NEWS10: Millennials, Your Avocados are in Good Hands Thanks to This Startup.NEWS11: Millennials, Your Avocados are in Good Hands Thanks to This Startup.
2018-06-21: NEWS1: Kroger Stock Is Still a Solid Bargain After Its Latest Earnings Beat.NEWS2: Kroger Stock Is Still a Solid Bargain After Its Latest Earnings Beat.NEWS3: Kroger Stock Is Still a Solid Bargain After Its Latest Earnings Beat.NEWS4: Free Technical Reports on Dollar General and Three Additional Discount, Variety Stores Equities.NEWS5: BJ’s Wholesale IPO: 6 things to know about the Costco competitor.NEWS6: Why Costco Is Still Dominating the Retail Industry.

Answer: Rise