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:2021-02-22, Stock:COST, The news for the past five days is as follows:
2021-02-12: NEWS1: Costco Has Been on a Tear. A Low Rate of Theft Is One Reason..NEWS2: Billionaire Richard Chilton’s Top 10 Stock Picks.
2021-02-16: nan
2021-02-17: NEWS1: Better Buy: Costco vs. Kroger.
2021-02-18: NEWS1: Walmart just dealt a major blow to other retailers.
2021-02-19: NEWS1: Does Costco Wholesale (NASDAQ:COST) Have A Healthy Balance Sheet?.

Answer: Decrease