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:2020-05-18, Stock:COST, The news for the past five days is as follows:
2020-05-11: NEWS1: Costco (COST) Outpaces Stock Market Gains: What You Should Know.NEWS2: April is likely to be the cruelest month for retailers as sales slump and prices tumble.NEWS3: Zacks Investment Ideas feature highlights: Amazon, Microsoft, Walmart, Costco and Home Depot.
2020-05-12: NEWS1: The Zacks Analyst Blog Highlights: Apple, Johnson& Johnson, Costco, Procter & Gamble and Newmont.NEWS2: Smart Money Selling Big Box Retailers.
2020-05-13: NEWS1: Froot Loops and Canned Soup Are Not the New American Diet.NEWS2: Costco (COST) Looks Well on Track Despite Recent Sales Blip.
2020-05-14: NEWS1: Is Costco a Great Dividend Stock?.
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.

Answer: Rise