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:2018-07-06, Stock:COST, The news for the past five days is as follows:
2018-06-28: NEWS1: BJ's Wholesale Club shares soar on 1st trading day.NEWS2: BJ's Wholesale Club shares soar on 1st trading day.NEWS3: Investors Shouldn't Panic About Amazon's PillPack Purchase.NEWS4: Investors Shouldn't Panic About Amazon's PillPack Purchase.NEWS5: Noteworthy Thursday Option Activity: COST, SBUX, MKC.NEWS6: Noteworthy Thursday Option Activity: COST, SBUX, MKC.NEWS7: BJ’s Wholesale Shares Jump 27% in Return to the Stock Market.NEWS8: A Looming Market Cap Milestone Could Spell Disaster for Amazon Stock.NEWS9: Costco Stock Shines While Consumer Staples Underperform.NEWS10: BJ’s business is lousy when compared with Costco and Sam’s Club.NEWS11: This is the big reason investors should stay away from BJ’s IPO.NEWS12: See what the IHS Markit Score report has to say about Costco Wholesale Corp..NEWS13: Free Research Report as Costco's Q3 Revenues Rose 12.1% Y-o-Y and Beat Expectations.NEWS14: [$$] Amazon unveils plans to buy prescription delivery group.NEWS15: BJ’s Wholesale is going public again: 6 things to know about the Costco rival.
2018-06-29: NEWS1: AmEx to Up Dividend, Share Buyback Post Stress Test Clearance.NEWS2: AmEx to Up Dividend, Share Buyback Post Stress Test Clearance.NEWS3: Madison Square Garden Pops on Knicks Spinoff Interest.NEWS4: Madison Square Garden Pops on Knicks Spinoff Interest.NEWS5: Toys R Us closes up shop while BJ's IPO is hit.
2018-07-02: NEWS1: Costco Wholesale (COST) Up 5.3% Since Earnings Report: Can It Continue?.NEWS2: Costco Wholesale (COST) Up 5.3% Since Earnings Report: Can It Continue?.NEWS3: Costco Wholesale (COST) Up 5.3% Since Earnings Report: Can It Continue?.
2018-07-03: NEWS1: Best and Worst Deals at Costco This Christmas.NEWS2: Proposed Costco in Loomis raises concerns about traffic.NEWS3: Costco Traders Bet Stock Will Rise 9% Short Term.NEWS4: 3 Reasons Why I Stayed Away From the BJ's Wholesale Club IPO.NEWS5: 3 Reasons Why I Stayed Away From the BJ's Wholesale Club IPO.NEWS6: 3 Reasons Why I Stayed Away From the BJ&apos;s Wholesale Club IPO.
2018-07-05: NEWS1: Bed, Bath and Beyond&apos;s Comps Took a Dip; BJ&apos;s New Shares Jumped Higher.NEWS2: Costco Is Hitting the Right Chords This Year.NEWS3: The Whole Foods Purchase Finally Starts Adding Value to Amazon Stock.NEWS4: The Whole Foods Purchase Finally Starts Adding Value to Amazon Stock.NEWS5: The Whole Foods Purchase Finally Starts Adding Value to Amazon Stock.

Answer: Rise