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:2018-05-31, Stock:COST, The news for the past five days is as follows:
2018-05-23: NEWS1: Is the BJ’s IPO a Threat to Costco Wholesale Corporation?.NEWS2: Is the BJ’s IPO a Threat to Costco Wholesale Corporation?.NEWS3: 3 Common Recommendations That Are Just Plain Bad Investment Advice.NEWS4: 3 Common Recommendations That Are Just Plain Bad Investment Advice.NEWS5: Analysts Expect Costco’s Third-Quarter Sales to Grow.NEWS6: BJ’s Wholesale IPO: 5 things to know about the Costco competitor.NEWS7: Analysts Expect Double-Digit Growth in Costco’s Q3 2018 EPS.NEWS8: Is the BJ’s IPO a Threat to Costco Wholesale Corporation?.NEWS9: Will Costco Post Double-Digit Growth in Q3 2018?.NEWS10: 3 Common Recommendations That Are Just Plain Bad Investment Advice.NEWS11: EARNINGS: Lowe's misses on net income, but investors like the JCPenney CEO hire.NEWS12: Who are Target's (TGT) main competitors?.NEWS13: Target Reports Solid Traffic in Q1, but EPS Miss Could Hurt Stock.
2018-05-24: NEWS1: Noteworthy ETF Outflows: IWF, COST, CRM, LLY.NEWS2: Noteworthy ETF Outflows: IWF, COST, CRM, LLY.NEWS3: Analysts Are Positive before Costco’s Third-Quarter Earnings.NEWS4: Analysts React to Target’s First-Quarter Earnings.NEWS5: Target’s First-Quarter Margins Didn’t Impress.NEWS6: What’s behind Target’s Stellar Traffic Growth in Q1 2018?.NEWS7: Target Stock Fell 5.7% after First-Quarter Earnings Miss.NEWS8: Costco’s Third-Quarter Margins Might Remain Soft.
2018-05-25: NEWS1: Upcoming Earnings Reports to Watch: CRM, COST, ULTA.NEWS2: Upcoming Earnings Reports to Watch: CRM, COST, ULTA.NEWS3: Can Michael Kors (KORS) Deliver an Earnings Beat in Q4?.NEWS4: Can Michael Kors (KORS) Deliver an Earnings Beat in Q4?.NEWS5: Going Big at the Middle Class Actually Hurts Kroger Co Stock.NEWS6: Report: Exploring Fundamental Drivers Behind Hyster-Yale Materials Handling, United Financial, Cadiz, Spark Energy, First Citizens BancShares, and Costco Wholesale — New Horizons, Emerging Trends, and Upcoming Developments.
2018-05-29: NEWS1: How to Invest in the Organic Food Trend.NEWS2: How to Invest in the Organic Food Trend.NEWS3: How to Invest in the Organic Food Trend.NEWS4: How to Trade Nordstrom, Inc. After Earnings Plunge.NEWS5: How to Trade Nordstrom, Inc. After Earnings Plunge.NEWS6: Noteworthy Tuesday Option Activity: DRI, BAC, COST.NEWS7: Noteworthy Tuesday Option Activity: DRI, BAC, COST.NEWS8: Target’s Traffic Is at a Record High, Expected to Mark Growth.NEWS9: The last time gas saw this kind of a rally, this consumer stock surged over 100%.NEWS10: The last time gas saw this kind of a rally, this consumer stock surged over 100%.NEWS11: Target Shows an Improving Trend despite Its Fiscal Q1 2018 Miss.NEWS12: How to Trade Nordstrom, Inc. After Earnings Plunge.NEWS13: Will Wall Street See Earnings Beat From COST, BURL & DG?.NEWS14: Will Wall Street See Earnings Beat From COST, BURL & DG?.NEWS15: 3 Questions Costco Should Answer on Thursday.NEWS16: 3 Questions Costco Should Answer on Thursday.NEWS17: MRC, Sonic, Salesforce.com, Costco and Ulta as Zacks Bull and Bear of the Day.NEWS18: MRC, Sonic, Salesforce.com, Costco and Ulta as Zacks Bull and Bear of the Day.NEWS19: 3 Questions Costco Should Answer on Thursday.NEWS20: Will Wall Street See Earnings Beat From COST, BURL & DG?.NEWS21: MRC, Sonic, Salesforce.com, Costco and Ulta as Zacks Bull and Bear of the Day.NEWS22: [$$] Costco's Taiwan Comment Leads to Economy-Sized Headache in China.
2018-05-30: NEWS1: Day Ahead: Top 3 Things to Watch.NEWS2: Restaurant mogul on the record.NEWS3: 3 retail stocks to buy now: Technician.NEWS4: Costco To Benefit From Growth In Comparable Sales In Q3.NEWS5: Is Target’s Current Valuation Compelling?.NEWS6: Target’s EPS Have Returned to Growth, Momentum Likely to Sustain.NEWS7: [$$] Costco’s Taiwan Comment Leads to Economy-Sized Headache in China.

Answer: Decrease