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:2021-09-08, Stock:COST, The news for the past five days is as follows:
2021-08-31: NEWS1: This Scenario Will Cause Me to Buy Costco Stock.
2021-09-01: NEWS1: Costco Wholesale Corporation Reports August Sales Results.
2021-09-02: NEWS1: CIBC to acquire Canadian Costco credit card portfolio.NEWS2: CIBC to Take Over Capital One’s Costco Canada Card Business.NEWS3: Costco Targets Lifted at Jefferies, Oppenheimer on At-Home Trends.
2021-09-03: NEWS1: Costco Stock Hits New All-Time High After Strong August Sales Report.
2021-09-07: NEWS1: Canadian Imperial (CM) to Run Costco's Card Business in Canada.NEWS2: Costco vs. Walmart: Which Retail Stock Is Better?.

Answer: Rise