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:2018-04-19, Stock:COST, The news for the past five days is as follows:
2018-04-12: NEWS1: Jim Cramer: Earnings Will Matter, and They Sure Mattered Today.NEWS2: Stocks Holding Near Highs; This Major Retailer Retakes Critical Level.NEWS3: Costco's 'Strong' March Comps Suggest Consumer Value Proposition Is 'Winning'.NEWS4: Costco's (COST) Stellar Comps Performance Continues in 2018.NEWS5: Costco's (COST) Stellar Comps Performance Continues in 2018.NEWS6: Costco's stock rallies after upbeat monthly sales data.NEWS7: Bed Bath & Beyond, Delta Airlines and Costco are the charts of the day.NEWS8: COST June 1st Options Begin Trading.NEWS9: COST June 1st Options Begin Trading.NEWS10: Retail: Costco Jumps, Bed Bath & Beyond Slumps.NEWS11: Should You Be Holding Costco Wholesale Corporation (NASDAQ:COST) Right Now?.NEWS12: Costco&apos;s (COST) Stellar Comps Performance Continues in 2018.NEWS13: What Analysts Recommend for Office Depot Stock.NEWS14: What Wall Street Analysts Recommend for Costco.NEWS15: How Costco’s Valuation Compares to Peers.NEWS16: Are Walmart and Target’s Digital Initiatives Weighing on Costco Stock?.NEWS17: Costco Continues to See Higher Sales and Healthy Comps.NEWS18: Costco Wholesale Corporation Reports March Sales Results.
2018-04-13: NEWS1: Costco Hasn't Made Up Its Mind.NEWS2: Cato (CATO) Breaks Dismal Trend With March Comps Soaring 6%.NEWS3: Cato (CATO) Breaks Dismal Trend With March Comps Soaring 6%.NEWS4: Cato (CATO) Breaks Dismal Trend With March Comps Soaring 6%.NEWS5: Turnberry Associates buys Costco property on Biscayne Boulevard for $17M.
2018-04-16: NEWS1: Wells Fargo upgrades Costco to outperform from market per....NEWS2: Costco's Next Special Dividend May Be Coming Sooner Than Investors Realize.NEWS3: Wells Fargo: Buy this big box retailer.NEWS4: Wells Fargo says Costco looks to be on the cusp of next l....NEWS5: Costco Posting Strong Gain On Upgrade By Wells Fargo.NEWS6: Costco Posting Strong Gain On Upgrade By Wells Fargo.NEWS7: Trade Fears Hurt Consumer Sentiment: Should Retailers Worry?.NEWS8: Trade Fears Hurt Consumer Sentiment: Should Retailers Worry?.NEWS9: Nasdaq 100 Movers: TSLA, JBHT.NEWS10: Nasdaq 100 Movers: TSLA, JBHT.NEWS11: Costco Wholesale Corporation's Stellar Sales Growth Continued in March.NEWS12: Costco Wholesale Corporation's Stellar Sales Growth Continued in March.NEWS13: Is Costco Wholesale Corporation a Buy?.NEWS14: Is Costco Wholesale Corporation a Buy?.NEWS15: Costco upgraded by Wells Fargo, predicts special dividend soon.NEWS16: Today’s Research Reports on Stocks to Watch: Nike and Costco.NEWS17: Costco Wholesale Corporation&apos;s Stellar Sales Growth Continued in March.NEWS18: Is Costco Wholesale Corporation a Buy?.
2018-04-17: NEWS1: The Hidden Metric That Allows Amazon to Dominate Online Retail.NEWS2: Costco to Gain on Tax Benefits: Wells Fargo.NEWS3: Here Are Factors Influencing Skechers' (SKX) Q1 Earnings.NEWS4: Here Are Factors Influencing Skechers' (SKX) Q1 Earnings.NEWS5: Notable ETF Inflow Detected - IVE, COST, USB, TWX.NEWS6: Notable ETF Inflow Detected - IVE, COST, USB, TWX.NEWS7: What Does the March Tick-up in Sales Mean for Retailers?.NEWS8: What Does the March Tick-up in Sales Mean for Retailers?.NEWS9:  NEWS BITES: Sean Hannity is Michael Cohen's mystery client, Comey's book hits shelves today, TaskRabbit shuts down after breach.NEWS10: Costco Wholesale Corporation Stock Looks Overextended.NEWS11: How Amazon’s Prime Fee Hike Affected Its Subscription Business.NEWS12: Costco Stock Could Break Out After Analyst Upgrades.NEWS13: Why Analysts Are Maintaining a ‘Buy’ Rating on Costco Stock.NEWS14: Here’s What’s Pushing Costco Stock Higher.
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.

Answer: Decrease