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:2018-05-07, Stock:COST, The news for the past five days is as follows:
2018-04-30: NEWS1: Exxon Mobil Corporation Leads 6 Dividend Stocks Boosting Payouts.NEWS2: Exxon Mobil Corporation Leads 6 Dividend Stocks Boosting Payouts.NEWS3: Retailers Benefiting Most From The Tax Cut.NEWS4: Taking Stock of Twitter; Comcast Casts Its Net for Sky.NEWS5: Taking Stock of Twitter; Comcast Casts Its Net for Sky.NEWS6: Taking Stock of Twitter; Comcast Casts Its Net for Sky.NEWS7: MARKETS: Oil markets react to Iran latest, Apple stocks up ahead of earnings report, Walmart helps retails sector.NEWS8: Central Garden & Pet's (CENT) Q2 Earnings: What's in Store?.NEWS9: Central Garden & Pet's (CENT) Q2 Earnings: What's in Store?.
2018-05-01: NEWS1: Unstoppable Amazon.com, Inc. Stock Is Close to Perfect.NEWS2: Better Buy: Costco Wholesale Corporation vs. Amazon.NEWS3: Better Buy: Costco Wholesale Corporation vs. Amazon.NEWS4: Better Buy: Costco Wholesale Corporation vs. Amazon.NEWS5: What Costco's 14% Dividend Boost Means.NEWS6: What Costco's 14% Dividend Boost Means.NEWS7: What Costco&apos;s 14% Dividend Boost Means.
2018-05-02: NEWS1: Amazon: The latest perks Prime members are getting at Whole Foods.NEWS2: Think Retail Is Doomed? You Have to See This Company’s Latest Results.NEWS3: Think Retail Is Doomed? You Have to See This Company’s Latest Results.NEWS4: Unstoppable Amazon.com, Inc. Stock Is Close to Perfect.NEWS5: Unstoppable Amazon.com, Inc. Stock Is Close to Perfect.
2018-05-03: NEWS1: Costco cuts regular soda from food courts, citing sugary drink taxes.NEWS2: Blue Apron brings its meal-kits to Costco stores.NEWS3: Notable ETF Inflow Detected - IVE, C, COST, USB.NEWS4: Notable ETF Inflow Detected - IVE, C, COST, USB.NEWS5: [$$] Delivery Outfit Blue Apron Turns to Costco to Help Sell Meals.NEWS6: [$$] Blue Apron Sells Meal Kits at Costco.
2018-05-04: NEWS1: How Investing $100 a Month Can Be Life-Changing.NEWS2: How Investing $100 a Month Can Be Life-Changing.NEWS3: Beverages & More, Inc. -- Moody's downgrades BevMo's CFR to Caa1; outlook negative.NEWS4: Why Blue Apron Holdings Inc. Popped Again Today.NEWS5: Why Blue Apron Holdings Inc. Popped Again Today.NEWS6: Noteworthy Friday Option Activity: MLM, COST, CBOE.NEWS7: Noteworthy Friday Option Activity: MLM, COST, CBOE.NEWS8: A Look at Blue Apron’s 1Q18 Sales.NEWS9: NYSE trader: Billionaires like Buffett are bullish and buying this whole market—not just Apple.NEWS10: Blue Apron Stock Rises 9.5% after 1Q18 Results.NEWS11: Why Blue Apron Holdings Inc. Popped Again Today.NEWS12: Here’s why Amazon wants a 3D scan of your body.NEWS13: Costco Auto Program Announces Nationwide Special Offer with Volvo.NEWS14: [$$] Meal-Kit Maker Blue Apron Turns to Costco as Customer Growth Slows.

Answer: Decrease