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:2018-11-05, Stock:COST, The news for the past five days is as follows:
2018-10-29: NEWS1: Blue Apron&apos;s Latest Partnership Is Very Risky.NEWS2: Costco (COST) Gains As Market Dips: What You Should Know.NEWS3: 18 Kirkland Products You Should Buy at Costco.NEWS4: 15 Things Retirees Should Buy at Costco.NEWS5: Why Blue Apron Holdings Inc. Stock Surged Today.NEWS6: Why Blue Apron Holdings Inc. Stock Surged Today.NEWS7: iShares Russell 1000 Growth ETF Experiences Big Inflow.NEWS8: iShares Russell 1000 Growth ETF Experiences Big Inflow.NEWS9: Should You Think About Buying Costco Wholesale Corporation (NASDAQ:COST) Now?.NEWS10: Today’s Research Reports on Stocks to Watch: Colgate-Palmolive and Costco Wholesale.
2018-10-30: NEWS1: Will Walmart’s Jet.com Save Blue Apron from Being Delisted?.NEWS2: Costco Wholesale Corp (COST) President and CEO W Craig Jelinek Sold $5 million of Shares.NEWS3: 7 Stocks to Buy While You Hide From the Trade War.NEWS4: 7 Stocks to Buy While You Hide From the Trade War.NEWS5: 7 Stocks to Buy While You Hide From the Trade War.NEWS6: Why Blue Apron Is Collaborating with Jet.com.NEWS7: Sam's Club Field Tests a Less &quot;No-Frills&quot; Shopping Experience.NEWS8: Sam's Club Field Tests a Less &quot;No-Frills&quot; Shopping Experience.NEWS9: Sam&apos;s Club Field Tests a Less &quot;No-Frills&quot; Shopping Experience.NEWS10: Costco (COST) Gains As Market Dips: What You Should Know.NEWS11: Costco (COST) Gains As Market Dips: What You Should Know.NEWS12: Blue Apron's Latest Partnership Is Very Risky.NEWS13: Blue Apron's Latest Partnership Is Very Risky.
2018-10-31: NEWS1: Cramer's lightning round: Costco's stock 'fits the patter....NEWS2: Cramer's lightning round: Costco's stock 'fits the pattern' of what's OK to buy here.NEWS3: Best Growth Stocks for November 2018.NEWS4: Why Did Amazon Stock Book Its Worst Day in Four Years Friday?.NEWS5: Why you won’t feel much pain from Trump’s tariffs this holiday season.NEWS6: How Herbalife&apos;s CEO is trying to pick up the pieces from Bill Ackman&apos;s failed short-selling attack.NEWS7: These 3 Leading Tech Companies Just Took the Conversation in New Directions.NEWS8: Will Walmart’s Jet.com Save Blue Apron from Being Delisted?.NEWS9: Will Walmart’s Jet.com Save Blue Apron from Being Delisted?.
2018-11-01: NEWS1: Retailers gearing up for holiday shopping season.
2018-11-02: NEWS1: Costco and Five Other Major Retailers Closed on Thanksgiving 2018.NEWS2: Weekly CFO Sells Highlight.

Answer: Rise