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:2018-03-21, Stock:COST, The news for the past five days is as follows:
2018-03-14: NEWS1: Walmart to Offer Grocery Delivery: Could Digital Sales Recover?.NEWS2: Stocks under pressure after Trump doubles down on Chinese tariffs.NEWS3: Walmart is expanding home delivery…but there's a major catch.NEWS4: Stocks to open higher, Bitcoin plunges after Google bans crypto ads.NEWS5: Yahoo Finance Live: Market Movers - Mar 14th, 2018.NEWS6: Costco Wholesale Simplifies Your Doomsday Prep.NEWS7: Costco Wholesale Simplifies Your Doomsday Prep.NEWS8: Why Target and Costco's Apparently Good Reports Didn't Satisfy the Street.NEWS9: Why Target and Costco's Apparently Good Reports Didn't Satisfy the Street.NEWS10: Costco Wholesale Simplifies Your Doomsday Prep.NEWS11: Why Target and Costco&apos;s Apparently Good Reports Didn&apos;t Satisfy the Street.
2018-03-15: NEWS1: Why Amazon May Spare Israel’s Food Sector on Its Initial Entry.NEWS2: What You Must Know About Costco Wholesale Corporation’s (NASDAQ:COST) Financial Strength.NEWS3: Here's My Top Stock to Buy in March.NEWS4: Here's My Top Stock to Buy in March.NEWS5: Here's How Costco Is Managing to Defeat Amazon.NEWS6: Here&apos;s My Top Stock to Buy in March.NEWS7: What Analysts Recommend for Walmart, Costco, and Target.NEWS8: ICYMI: Costco Controversy, Dropbox IPO, Blockchain In Trucking.NEWS9: Costco, Walmart, and Target: Comps Growth.NEWS10: Benzinga Pro's 5 Stocks To Watch Today.NEWS11: Why Costco, Target, and Walmart Failed to Impress Investors.
2018-03-16: NEWS1: Q1 Earnings Season to Show Growth Acceleration.NEWS2: Q1 Earnings Season to Show Growth Acceleration.NEWS3: Ranked: The Top 5 Most Amazon-Proof Stores.NEWS4: Walmart: Fmr. employee says company artificially boosted results.NEWS5: 5 Numbers That Show How Costco Is in a Retail League of Its Own.NEWS6: 5 Numbers That Show How Costco Is in a Retail League of Its Own.NEWS7: Stocks to open higher, investors get wind of another Trump firing.NEWS8: Target a Top Ranked SAFE Dividend Stock With 3.5% Yield (TGT).NEWS9: Target a Top Ranked SAFE Dividend Stock With 3.5% Yield (TGT).NEWS10: 5 Numbers That Show How Costco Is in a Retail League of Its Own.NEWS11: See what the IHS Markit Score report has to say about Costco Wholesale Corp..
2018-03-19: NEWS1: Google Will Now Also Earn From Your Shopping Searches.NEWS2: Google Will Now Also Earn From Your Shopping Searches.NEWS3: Whole Foods calls supplier summit amid Amazon angst.NEWS4: IVE, COST, CVS, MDLZ: ETF Outflow Alert.NEWS5: IVE, COST, CVS, MDLZ: ETF Outflow Alert.NEWS6: Amazon's line-free store is a success: Reuters.NEWS7: Here’s how Google is profiting from your shopping habits: Reuters.NEWS8: Inside the Amazon–Walmart Grocery Tit for Tat.NEWS9: Stocks to open in the red, Facebook slammed for sharing user data.NEWS10: Yahoo Finance Live: Market Movers - Mar 19th, 2018.
2018-03-20: NEWS1: See what the IHS Markit Score report has to say about Costco Wholesale Corp..

Answer: Decrease