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:2018-10-26, Stock:COST, The news for the past five days is as follows:
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.
2018-10-24: NEWS1: Costco Wholesale Corporation Announces Quarterly Cash Dividend.
2018-10-25: NEWS1: Moody's turns "positive" as retailers reap rewards from strong U.S. economy.NEWS2: Daily Dividend Report: MRK, MMP, BAC, CMCSA, COST.NEWS3: Daily Dividend Report: MRK, MMP, BAC, CMCSA, COST.

Answer: Decrease