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:2018-10-01, Stock:COST, The news for the past five days is as follows:
2018-09-24: NEWS1: Tariffs Will Hurt: Target, Walmart, and Others Voice Concerns.NEWS2: XLP, COST, MDLZ, WBA: Large Outflows Detected at ETF.NEWS3: XLP, COST, MDLZ, WBA: Large Outflows Detected at ETF.NEWS4: 3 Stocks That Could Help Send Your Kids to College.NEWS5: 3 Stocks That Could Help Send Your Kids to College.NEWS6: 3 Stocks That Could Help Send Your Kids to College.
2018-09-25: NEWS1: American Express Is Hiking Its Dividend.NEWS2: American Express Is Hiking Its Dividend.NEWS3: Will Costco’s Valuation Stall the Rally in Its Stock?.
2018-09-26: NEWS1: Notable Wednesday Option Activity: COST, DVN, NCLH.NEWS2: Notable Wednesday Option Activity: COST, DVN, NCLH.NEWS3: Could Costco Surpass Analysts’ Sales Expectations in Fiscal Q4?.NEWS4: Why Costco’s Fiscal Q4 EPS Could Mark Double-Digit Growth.NEWS5: Could Deceleration in Growth, High Valuations Dent Costco Stock?.
2018-09-27: NEWS1: 3 Reasons to Expect Good News From Costco Next Week.NEWS2: Costco (COST) Q4 Earnings Preview: What's Shaping Up?.NEWS3: Costco (COST) Q4 Earnings Preview: What's Shaping Up?.NEWS4: Costco (COST) Q4 Earnings Preview: What&apos;s Shaping Up?.NEWS5: How Long Can Costco Keep Soaring?.NEWS6: How Long Can Costco Keep Soaring?.NEWS7: How Analysts Rate Costco before Its Fiscal Q4 2018 Earnings.NEWS8: How Long Can Costco Keep Soaring?.NEWS9: Why Costco’s Fiscal Q4 2018 Margins Could Remain Weak.
2018-09-28: NEWS1: Cramer's game plan: A busy week ahead of a make-or-break report.NEWS2: Upcoming Earnings to Watch: SFIX, PEP, COST.NEWS3: Upcoming Earnings to Watch: SFIX, PEP, COST.NEWS4: Has the Earnings Picture Started Weakening?.NEWS5: FirstEnergy Corp Takes Over #114 Spot From Costco Wholesale Corp.NEWS6: FirstEnergy Corp Takes Over #114 Spot From Costco Wholesale Corp.

Answer: Decrease