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:2020-04-21, Stock:PFE, The news for the past five days is as follows:
2020-04-14: NEWS1: The Zacks Analyst Blog Highlights: Alibaba, Pfizer, S&P Global, Novo Nordisk and Duke Energy.NEWS2: Will Stem Cell Therapies Aid in Fight Against Coronavirus?.NEWS3: Pfizer Stock Rises 3%.
2020-04-15: NEWS1: Mylan's Robert Coury back as executive chairman.NEWS2: Mylan names Coury executive chairman again.NEWS3: Pfizer (PFE) Stock Moves -1.26%: What You Should Know.NEWS4: TBJ Plus: Industries with the most PPP loans; Raleigh's Meeker sounds off; Retail sees biggest drop on record.NEWS5: The Zacks Analyst Blog Highlights: Pluristem Therapeutics, Mesoblast, Gilead Sciences, Pfizer and Regeneron.NEWS6: Pharma Stocks Rally on Sanofi, GSK Coronavirus Vaccine Tie-Up.
2020-04-16: NEWS1: How Colorado biotech companies are managing essential lab work during the COVID-19 pandemic.
2020-04-17: NEWS1: In a Pandemic, Pharma’s Strengths Emerge: Pipelines With Essential Drugs.NEWS2: U.S., European health agencies to partner drugmakers in coronavirus fight.NEWS3: Pharma Stock Roundup: JNJ's Q1 Earnings, Coronavirus Product Development Efforts.NEWS4: Drug trial specialists see coronavirus-fueled spike in demand for virtual services.NEWS5: Optimism Back in Wall Street? ETFs Areas to Win the Most.
2020-04-20: NEWS1: How this East Bay biotech pushed past the 'negativity' with a big boost to its kidney cancer drug.NEWS2: This Biotech Stock Just Blew Into A Profit-Taking Zone — Here's Why.NEWS3: Novartis To Initiate Hydroxychloroquine Study for Coronavirus.NEWS4: Is AbbVie Stock A Buy Amid The Ongoing Coronavirus Pandemic?.NEWS5: Pfizer Boulder gets FDA approval, talks next steps.NEWS6: 5 Best Leveraged ETF Areas of Last Week.NEWS7: CORRECTED-Bristol Myers says Opdivo performs well in kidney, lung cancer trials.NEWS8: RPT-Drug trial specialists see coronavirus-fueled spike in demand for virtual services.

Answer: Decrease