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:2018-01-19, Stock:COST, The news for the past five days is as follows:
2018-01-11: NEWS1: Here’s Where You Can Still Get a 2018 Flu Shot and How Much It Will Cost You.NEWS2: Costco Stock Surges as Walmart Confirms Sam's Club Closings.NEWS3: Wal-Mart Abruptly Closes 63 Sam's Club Stores On Same Day As Broad Wage Hike.NEWS4: Wal-Mart Abruptly Closes 63 Sam&apos;s Club Stores On Same Day As Broad Wage Hike.NEWS5: Business Model Analysis: Costco Vs. Sam's Club (WMT, TGT).NEWS6: March 2nd Options Now Available For Costco Wholesale (COST).NEWS7: After Seattle soda tax, Costco says case of Gatorade costs $26.33 instead of $15.99.NEWS8: Woman Returns Dead Christmas Tree to Costco on Jan. 4.NEWS9: 3 Embarrassingly Low Dividend Stocks.NEWS10: Target’s Valuation Compared to Its Peers.NEWS11: Walmart Is Boosting Its Starting Hourly Wage to $11. It Says It’s Because of Tax Reform.NEWS12: 3 Embarrassingly Low Dividend Stocks.NEWS13: Why Analysts Raised Price Target on Target Stock.NEWS14: Lower Tax Rate and Target Shareholder Returns.NEWS15: Amazon.com, Inc. Stock Deserves to Be in Your Portfolio.NEWS16: Is Costco Wholesale Corporation Stock a Buy in 2018?.
2018-01-12: NEWS1: Why Walmart announced Sam’s Club store closures just one day after raising wages.NEWS2: What Drove Costco Stock Yesterday?.NEWS3: Walmart's Pain Is Costco's Gain.NEWS4: Walmart's Dual Revelations: A Curse for Some, a Boon for Many.NEWS5: Why Sam's Club Conversions To Online-Order Hubs Are A Sign Of The Times.NEWS6: Today’s Research Reports on Stocks to Watch: Costco Wholesale Corporation and Wal-Mart Stores, Inc..NEWS7: Here’s Why Target Stock Is Soaring.
2018-01-16: NEWS1: Why Did Best Buy, Costco, and Wal-Mart Stock Make Gains in 2017?.NEWS2: Retail Sales Rise Again: A Sector to Bet On in '18?.NEWS3: What Are The Implications Of Wal-Mart's Sam's Club Closures?.NEWS4: Why Did Best Buy, Costco, and Wal-Mart Stock Make Gains in 2017?.NEWS5: Retail Sales Rise Again: A Sector to Bet On in &apos;18?.NEWS6: XLP, WMT, COST, CVS: Large Outflows Detected at ETF.NEWS7: Canadian Costco pharmacists fined for seeking illegal rebates.NEWS8: Why Wal-Mart Is Closing 63 Sam's Club Stores.NEWS9: See what the IHS Markit Score report has to say about Costco Wholesale Corp..NEWS10: Boxed: Will Kroger Acquire the Online Wholesaler?.NEWS11: Why Wal-Mart Is Closing 63 Sam&apos;s Club Stores.
2018-01-17: NEWS1: Unpacking Holiday Results for Major Retailers.NEWS2: The 7 Best S&P 500 Value Stocks to Buy Now.NEWS3: Cities are going above and beyond to lure Amazon.NEWS4: Top Gainers in the Consumer Sector on January 8–12.NEWS5: The Zacks Analyst Blog Highlights: Amazon.com, Wal-Mart, Costco, Target and Macy's.NEWS6: The Zacks Analyst Blog Highlights: Amazon.com, Wal-Mart, Costco, Target and Macy&apos;s.
2018-01-18: NEWS1: Wage Increases Are Good for Wal-Mart Stores Inc Stock.NEWS2: 3 Discount Retailers That Cashed In on Holiday Season.NEWS3: 3 Discount Retailers That Cashed In on Holiday Season.NEWS4: American Express Kicks Off Credit Card Earnings Reports.NEWS5: Wage Increases Are Good for Wal-Mart Stores Inc Stock.NEWS6: Why 2017 was a Year to Remember for Visa Inc..NEWS7: Larry Summers says sugar, cigarette taxes aren’t evidence of a ‘nanny state’.NEWS8: Why 2017 was a Year to Remember for Visa Inc..NEWS9: Amazon narrows list for HQ2.NEWS10: See what the IHS Markit Score report has to say about Costco Wholesale Corp..NEWS11: The 7 Best S&P 500 Value Stocks to Buy Now.

Answer: Rise