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:2020-02-28, Stock:COST, The news for the past five days is as follows:
2020-02-21: NEWS1: The Zacks Analyst Blog Highlights: NVIDIA, Costco Wholesale, Stryker, Advanced Micro Devices and CSX.
2020-02-24: NEWS1: FDA Will Expedite Reviews Of Costco Food Imports.NEWS2: Large parts of China relax coronavirus curbs, many places report zero new cases.
2020-02-25: nan
2020-02-26: NEWS1: Costco (COST) Gains As Market Dips: What You Should Know.NEWS2: Target joins ranks of top-10 e-commerce retailers.NEWS3: Want A $1.50 Hot Dog At Costco? Get Ready To Show Your Membership Card.
2020-02-27: nan

Answer: Decrease