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:2021-09-17, Stock:COST, The news for the past five days is as follows:
2021-09-10: NEWS1: How Investors Can Grab Better Returns for Retail and Wholesale Using the Zacks ESP Screener.NEWS2: Should You Buy Costco Stock Ahead of Earnings?.
2021-09-13: NEWS1: 11 Best FMCG Stocks To Buy Now.NEWS2: Costco (COST) Continues to Impress Investors With Sales Numbers.
2021-09-14: nan
2021-09-15: NEWS1: Costco (COST) Gains But Lags Market: What You Should Know.NEWS2: Walmart's (WMT) Sam's Club Takes Minimum Wage Up to $15.
2021-09-16: NEWS1: Costco (COST) Earnings Expected to Grow: What to Know Ahead of Next Week's Release.NEWS2: Top 10 Stock Picks of Ryan Frick’s Dorsal Capital: Facebook, Snap and More.NEWS3: Sitting on Cash? These 2 Stocks Are Great Buys..

Answer: Decrease