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:2020-05-22, Stock:COST, The news for the past five days is as follows:
2020-05-15: NEWS1: Former Toys "R" Us CEO on which retailers will survive the COVID-19 pandemic.NEWS2: SEC files charges against 2 more companies for false claims about COVID-19.NEWS3: Costco Has Formed a Rare Diamond Formation: What It Means for Investors.NEWS4: 2 Recession-Proof Stocks to Bolster Your Portfolio.NEWS5: Better Buy: Costco vs. Dollar General.NEWS6: Don’t Bother With J.C. Penney Stock As Bankruptcy Risk Looms.
2020-05-18: NEWS1: Costco (COST) Gains But Lags Market: What You Should Know.NEWS2: 4 Dividend-Paying Companies That Recently Raised Payments.
2020-05-19: NEWS1: US Indexes End Lower Tuesday.NEWS2: Here's What A Top Mutual Fund Bought, Sold Amid Coronavirus Crisis.NEWS3: Here's What A Top Mutual Fund Bought, Sold Amid Coronavirus Crisis.
2020-05-20: NEWS1: The Top 5 Costco Shareholders.NEWS2: Target's online sales surge in Q1, but can it last?.NEWS3: Costco Could Be a Buy for a Pre-Earnings Rally.NEWS4: Better Buy: Costco vs. Lowe's.NEWS5: Better Buy: Costco vs. Lowe's.NEWS6: Target's bottom line fueled by people spending during the coronavirus.NEWS7: Why Costco Deserves a Place in Your Portfolio.NEWS8: ‘I woke up in a free country’ — Costco shopper gets bounced from store after refusing to wear a mask.
2020-05-21: NEWS1: Warren Buffett on the Advantage of Size.NEWS2: What Results From BJ’s Wholesale Could Mean for Costco’s Earnings.NEWS3: Better Buy: Costco vs. Constellation Brands.NEWS4: Coca-Cola CEO: Business is improving but 'we have to be cautious'.

Answer: Rise