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:2020-04-20, Stock:PFE, The news for the past five days is as follows:
2020-04-13: NEWS1: Top Analyst Reports for Alibaba, Pfizer & S&P Global.NEWS2: Pfizer (PFE) Progressing Well With its Coronavirus Program.NEWS3: These 21 companies are working on coronavirus treatments or vaccines — here’s where things stand.NEWS4: Pfizer Joins Virus Vaccine Hunt in Partnership With German Drugmaker.
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.

Answer: Decrease