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:2018-10-24, Stock:COST, The news for the past five days is as follows:
2018-10-17: NEWS1: Crown Castle Earnings, Revenue beat in Q3.NEWS2: Costco (COST) Gains But Lags Market: What You Should Know.NEWS3: Costco (COST) Gains But Lags Market: What You Should Know.NEWS4: Forget Icahn & Dollar Tree, Buy These 3 Retail Stocks Instead.NEWS5: Forget Icahn & Dollar Tree, Buy These 3 Retail Stocks Instead.
2018-10-18: NEWS1: Noteworthy Thursday Option Activity: REV, COST, ADSK.NEWS2: Noteworthy Thursday Option Activity: REV, COST, ADSK.NEWS3: See what the IHS Markit Score report has to say about Costco Wholesale Corp..NEWS4: Can Blue Apron Capitalize on the Growing Market?.NEWS5: The tariff effect on earnings.
2018-10-19: NEWS1: 7 Amazon-Proof Stocks to Consider Adding to Your Portfolio.NEWS2: Detailed Research: Economic Perspectives on BeiGene, Costco Wholesale, Rogers, Advance Auto Parts, Celcuity, and Harris — What Drives Growth in Today's Competitive Landscape.
2018-10-22: NEWS1: Costco (COST) Stock Moves -0.27%: What You Should Know.NEWS2: 5 Consumer Staples ETFs to Add to Your Shopping Cart.
2018-10-23: NEWS1: Costco receives initial green light for long-awaited Issaquah headquarters expansion.NEWS2: Verizon Earnings Top Esitmates in Q3, Earnings In Line.NEWS3: Costco (COST) Stock Moves -0.27%: What You Should Know.NEWS4: Costco (COST) Stock Moves -0.27%: What You Should Know.

Answer: Decrease