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:2018-10-17, Stock:COST, The news for the past five days is as follows:
2018-10-10: NEWS1: Costco (COST) Stock Moves -1.39%: What You Should Know.NEWS2: Costco (COST) Stock Moves -1.39%: What You Should Know.NEWS3: 3 Big Takeaways From Costco's Fourth-Quarter Report.NEWS4: 3 Big Takeaways From Costco's Fourth-Quarter Report.NEWS5: 3 Big Takeaways From Costco&apos;s Fourth-Quarter Report.NEWS6: Costco (COST) Stock Moves -1.39%: What You Should Know.NEWS7: Costco Wholesale Corporation Reports September Sales Results.NEWS8: Costco Looks Vulnerable to a Decline to the $200 Support Area.NEWS9: How Kroger’s Ratings Have Changed Recently.NEWS10: Walmart Stock: What Wall Street Recommends.NEWS11: Costco Wholesale September Sales Up 10%.NEWS12: Costco Wholesale September Sales Up 10%.NEWS13: DOJ approves CVS, Aetna; Broadcom drops; Costco streaming; Starbucks offers new perk; Microsoft sinks.NEWS14: Who Will Fill the Void Left by Toys "R" Us This Holiday Season?.
2018-10-11: NEWS1: Mastering the Market Cycle.NEWS2: Mastering the Market Cycle.NEWS3: Noteworthy Thursday Option Activity: COST, PGR, CVS.NEWS4: Noteworthy Thursday Option Activity: COST, PGR, CVS.NEWS5: Costco Announces 10.3% Growth in Net Sales.NEWS6: Costco Defies Market, Posts Gains on Strong Sales.NEWS7: Costco Posts Solid Comps Again, September Metric Up 8.4%.NEWS8: 12 Things Retirees Should Buy at Costco.NEWS9: Costco Sustained Growth Momentum in September.
2018-10-12: NEWS1: Company News For Oct 12, 2018.NEWS2: Company News For Oct 12, 2018.NEWS3: Company News For Oct 12, 2018.NEWS4: Why Costco’s Financial Warning Looks Like Much Ado About Nothing.
2018-10-15: NEWS1: Costco Wholesale Corporation (COST) Q4 2018 Earnings Conference Call Transcript.NEWS2: Costco Wholesale Corporation (COST) Q4 2018 Earnings Conference Call Transcript.NEWS3: Costco Wholesale Corporation (COST) Q4 2018 Earnings Conference Call Transcript.NEWS4: Sears Is Dead, But These 5 Retail Stocks Offer Hope.NEWS5: Costco Stock Is a Long-Term Winner, but Valuation Is Pretty Full.NEWS6: Costco Stock Is a Long-Term Winner, but Valuation Is Pretty Full.NEWS7: Trade war with China is taking a backseat to this other threat to corporate profits.NEWS8: Costco Stock Is a Long-Term Winner, but Valuation Is Pretty Full.
2018-10-16: NEWS1: Is Costco Stock a Buy or a Sell After Earnings and Sales Results?.NEWS2: Is Costco Stock a Buy or a Sell After Earnings and Sales Results?.NEWS3: Costco (COST) Gains But Lags Market: What You Should Know.NEWS4: Is Costco Stock a Buy or a Sell After Earnings and Sales Results?.NEWS5: Costco, Walmart Weigh Their Own Streaming Video Services.NEWS6: Costco, Walmart Weigh Their Own Streaming Video Services.NEWS7: Costco, Walmart Weigh Their Own Streaming Video Services.NEWS8: Netflix Spoiled Us Rotten.NEWS9: Netflix Spoiled Us Rotten.NEWS10: Sears Is Dead, But These 5 Retail Stocks Offer Hope.NEWS11: Sears Is Dead, But These 5 Retail Stocks Offer Hope.NEWS12: Walmart vs. Costco: Which Retailer Stock Is Right for You?.

Answer: Rise