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:2019-01-23, Stock:COST, The news for the past five days is as follows:
2019-01-15: NEWS1: See what the IHS Markit Score report has to say about Costco Wholesale Corp..
2019-01-16: NEWS1: How These 3 Discount Retailers Fared The Holiday Season.NEWS2: How These 3 Discount Retailers Fared The Holiday Season.NEWS3: How These 3 Discount Retailers Fared The Holiday Season.NEWS4: Holiday online sales up between 16 -19%, in-store sales m....
2019-01-17: NEWS1: Netflix Now Has One Less Streaming Rival To Worry About For A Change.NEWS2: Costco (COST) Gains But Lags Market: What You Should Know.NEWS3: The Charts of Costco Are Looking Weaker With a Quantitative Downgrade.NEWS4: See what the IHS Markit Score report has to say about Costco Wholesale Corp..NEWS5: Here's Why Costco Scored Decent Numbers in Holiday Season.NEWS6: Costco Stock Might Be a Good Buy After 2018’s Pullback.NEWS7: What the Holiday Sales Numbers Tell Us About U.S. Retail.NEWS8: What the Holiday Sales Numbers Tell Us About U.S. Retail.NEWS9: What the Holiday Sales Numbers Tell Us About U.S. Retail.NEWS10: How Costco Crushed It in 2018.NEWS11: How Costco Crushed It in 2018.NEWS12: How Costco Crushed It in 2018.
2019-01-18: NEWS1: Don't Be Fooled: Blue Apron Is Still in Trouble.NEWS2: Don't Be Fooled: Blue Apron Is Still in Trouble.NEWS3: Costco (COST) Gains But Lags Market: What You Should Know.NEWS4: Costco (COST) Gains But Lags Market: What You Should Know.NEWS5: Don&apos;t Be Fooled: Blue Apron Is Still in Trouble.
2019-01-22: NEWS1: 3 Blue-Chip Stocks That Will Power Through Market Turmoil.NEWS2: 3 Blue-Chip Stocks That Will Power Through Market Turmoil.NEWS3: 3 Blue-Chip Stocks That Will Power Through Market Turmoil.NEWS4: See what the IHS Markit Score report has to say about Costco Wholesale Corp..NEWS5: Podcast: A 90% Costco Membership Renewal Rate, and Two Other Numbers You Need to Know.

Answer: Decrease