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:2020-12-22, Stock:WMT, The news for the past five days is as follows:
2020-12-15: NEWS1: Why Hydrogen Fuel Cell Stocks Jumped Today.NEWS2: FedEx and UPS Are Limiting Package Pickups. What That Means for Retailers..NEWS3: Why Plug Power and Prevail Therapeutics Gave the Stock Market a Boost Tuesday Morning.NEWS4: Plug Power Climbs on Expanded Walmart Fuel Cell Partnership.NEWS5: Walmart Expands Autonomous Vehicle Delivery Pilot Program.NEWS6: Plug Power Expands Partnership With Walmart.NEWS7: Wish, the Online Dollar Store, Is Losing Momentum Before IPO.
2020-12-16: NEWS1: Amazon Alabama Workers Get Chance for First-in-U.S. Union.NEWS2: Plug Power Extends Into e-commerce Space With Walmart.NEWS3: Domino's to pay frontline workers nearly $10M in holiday bonuses in effort to 'put people first'.NEWS4: These major retailers are spending millions of dollars to show employees appreciation.NEWS5: Why Your 2021 Resolution Should Be to Buy More Retail-Apocalypse-Proof Stocks.NEWS6: How Walmart Ensures Real People, Not 'Grinch Bots,' Buy PlayStation 5, Xbox.NEWS7: Tested by COVID-19, Walmart Leaned on Supply Chain and Customer Service.
2020-12-17: NEWS1: Top 15 Online Shopping Websites in the World in 2020.NEWS2: Murphy Oil USA Inc. -- Moody's revises Murphy USA's outlook to stable after QuickChek acquisition announcement.NEWS3: National Retail Federation pushes for frontline retail workers to be among early COVID-19 vaccine recipients.NEWS4: Walmart to pilot in-app live shopping on TikTok.NEWS5: Walmart Partners With TikTok for a Livestream Shopping Event.NEWS6: Walmart (WMT) Down 2.5% Since Last Earnings Report: Can It Rebound?.NEWS7: Walmart partners with TikTok to sell merchandise while livestreaming.NEWS8: Walmart to pilot test livestreamed video shopping on TikTok.NEWS9: Walmart to pilot in-app live shopping on TikTok.NEWS10: First Time Buying Stocks? These 2 Stocks Are Perfect for New Investors.NEWS11: Walmart business and philanthropy come together to help fight hunger this holiday season.NEWS12: Amazon Has Turned a Middle-Class Warehouse Career Into a McJob.NEWS13: PlayStation 5 Scalpers Use Bots to Hunt Down Scarce Consoles.
2020-12-18: NEWS1: Christmas shopping season has been one big bust, data from these 30 million people show.NEWS2: Play Plug Power Without Being Played for a Fool.NEWS3: 7 of the Best Dividend Aristocrats on the Market.NEWS4: Understanding Walmart's Unusual Options Activity.NEWS5: Amazon, Kroger, Walmart boosted by 'once in a lifetime' convergence of online retail, grocery buys.NEWS6: Inside Walmart’s game-changing week.NEWS7: Retail Stocks Could Sell Off in Coming Weeks.NEWS8: Walmart (WMT) To Host Livestream Shopping Event With TikTok.NEWS9: Walmart To Sell Its Products Directly On TikTok Through Influencer Live Streams.
2020-12-21: NEWS1: Walmart to Offer Free-Return Service Via FedEx.NEWS2: Walmart Stock Soared in 2020. Here’s Why It Still Looks Like a Buy..NEWS3: Is Dollar Tree Stock a Buy?.NEWS4: Benzinga Pro's Top 5 Stocks To Watch For Monday, Dec. 21, 2020: EYEG, NKE, ZM, WMT, AIM.NEWS5: Walmart unveils new product return service.

Answer: Decrease