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:2018-09-27, Stock:COST, The news for the past five days is as follows:
2018-09-20: NEWS1: Have Analysts Become Too Bearish on Costco Stock?.NEWS2: A Look At Costco's Valuation.NEWS3: A Look At Costco's Valuation.NEWS4: See what the IHS Markit Score report has to say about Costco Wholesale Corp..
2018-09-21: NEWS1: Should You Buy Kroger Stock After Its No-Good, Terrible Month?.NEWS2: Could Costco Wholesale Corporation Be a Millionaire-Maker Stock?.NEWS3: Could Costco Wholesale Corporation Be a Millionaire-Maker Stock?.NEWS4: Could Costco Wholesale Corporation Be a Millionaire-Maker Stock?.
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?.

Answer: Rise