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:2018-04-25, Stock:COST, The news for the past five days is as follows:
2018-04-18: NEWS1: Notable Wednesday Option Activity: COST, NUE, AXP.NEWS2: Notable Wednesday Option Activity: COST, NUE, AXP.NEWS3: 8 Companies Amazon Is Killing.NEWS4: How Analysts Rate Consumer Stocks.NEWS5: Walmart: Discounters Are Eating Up the Grocery Growth.NEWS6: Amazon Expands Prime Discounts: What’s Its Long-Term Plan?.NEWS7: These Stocks Were the Top Performers in Consumer Sector Last Week.NEWS8: The Hidden Metric That Allows Amazon to Dominate Online Retail.NEWS9: The Hidden Metric That Allows Amazon to Dominate Online Retail.
2018-04-19: NEWS1: How Amazon Prime Compares to These 3 Leading Membership-Based Businesses.NEWS2: How Amazon Prime Compares to These 3 Leading Membership-Based Businesses.NEWS3: How Amazon Prime Compares to These 3 Leading Membership-Based Businesses.NEWS4: American Express Company Is Nothing to Write Home About.NEWS5: American Express Company Is Nothing to Write Home About.NEWS6: Amazon Prime Time Numbers Exceed Loftiest Estimates.NEWS7: Amazon Prime Time Numbers Exceed Loftiest Estimates.NEWS8: Amazon: Bezos reveals the shocking number of Prime members it has.NEWS9: Amazon Prime's Membership and Retention Are Higher Than Costco's.NEWS10: Amazon Prime has more members than Costco, Bezos reveals.NEWS11: Amazon Prime has more members than Costco, Bezos reveals.
2018-04-20: NEWS1: American Express Company Is Still a Double-Digit Play.NEWS2: American Express Company Is Still a Double-Digit Play.NEWS3: Nordstrom gains apparel market share as Amazon heads toward the top.NEWS4: MARKETS: Apple leads tech lower, consumer staples drops, oil falls as rig counts climb, Bitcoin jumps.NEWS5: Target's Same-Day Delivery Efforts to Drive Customer Count.NEWS6: Target's Same-Day Delivery Efforts to Drive Customer Count.NEWS7: Yahoo Finance Live: Market Movers - Apr 20th, 2018.NEWS8: The Key to Amazon.com, Inc. Stock is Company Culture.NEWS9: The Key to Amazon.com, Inc. Stock is Company Culture.
2018-04-23: NEWS1: Nordstrom gains apparel market share as Amazon heads toward the top.NEWS2: Go Long Costco Wholesale Corporation Near All-Time Highs Into Earnings.NEWS3: Go Long Costco Wholesale Corporation Near All-Time Highs Into Earnings.NEWS4: Costco's Sturdy Pillars Help Stock Ascend 19% in 6 Months.NEWS5: Costco's Sturdy Pillars Help Stock Ascend 19% in 6 Months.NEWS6: Costco&apos;s Sturdy Pillars Help Stock Ascend 19% in 6 Months.NEWS7: Alibaba under fire: Brands say they’re punished for not signing exclusive deals: AP.NEWS8: Watch out Spotify: China’s Tencent is planning its own music IPO.NEWS9: Go Long Costco Wholesale Corporation Near All-Time Highs Into Earnings.
2018-04-24: NEWS1: Costco increases dividend to 57 cents a share.NEWS2: Costco Wholesale Corporation Announces an Increase in Its Quarterly Cash Dividend.NEWS3: Is Prime Really Beating Costco Wholesale Corporation?.NEWS4: Is Prime Really Beating Costco Wholesale Corporation?.

Answer: Rise