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:2020-03-20, Stock:PFE, The news for the past five days is as follows:
2020-03-13: NEWS1: Germany's CureVac says low-dose coronavirus vaccine could allow for mass production.NEWS2: Pfizer Outlines Five-Point Plan to Battle COVID-19.NEWS3: EMD Serono and Pfizer Provide Update on Phase III JAVELIN Head and Neck 100 Study.NEWS4: Merck and Pfizer Provide Update on Phase III JAVELIN Head and Neck 100 Study.NEWS5: Pfizer Stock Rises 3%.
2020-03-16: NEWS1: Pfizer (PFE) Catches Eye: Stock Jumps 9%.NEWS2: Pfizer Sacrificed A Buy Point Amid Coronavirus Woes — Is It A Buy Now?.NEWS3: Who Has Been Buying Pfizer Inc. (NYSE:PFE) Shares?.NEWS4: Pfizer Stock Falls 8%.
2020-03-17: NEWS1: US STOCKS-Wall St jumps after Monday's historic sell-off as Fed boosts liquidity to fight coronavirus effect.NEWS2: US STOCKS-Wall St bounces after Monday's historic sell-off as Fed boosts liquidity to fight coronavirus effect.NEWS3: Covid Report: Biotech IPO Breaks Out On Pfizer Deal For Coronavirus Drug.NEWS4: Pfizer and BioNTech announce joint development of a potential COVID-19 vaccine.NEWS5: US STOCKS-Wall St rebounds from Monday's crash as Fed boosts liquidity.NEWS6: Pfizer Is Entering The Coronavirus Drug Hunt — But Is PFE Stock A Buy?.NEWS7: Moderna Up as First Human Trial of Coronavirus Vaccine Begins.NEWS8: US STOCKS-Wall St dips again after biggest rout since 1987.NEWS9: Pfizer Invites Public to View and Listen to Webcast of April 28 Conference Call with Analysts.NEWS10: UnitedHealth, Procter & Gamble share gains contribute to Dow's 89-point climb.NEWS11: Pfizer and BioNTech Are Teaming Up to Develop a Coronavirus Vaccine.NEWS12: BioNTech, Pfizer to develop COVID-19 vaccine candidate.NEWS13: MORNING BID-Borders and pubs are shutting. What about markets?.NEWS14: Pfizer, BioNTech to co-develop potential coronavirus vaccine.NEWS15: Pfizer, BioNTech to co-develop potential coronavirus vaccine.NEWS16: Pfizer and BioNTech to Co-develop Potential COVID-19 Vaccine.NEWS17: Pfizer and BioNTech to Co-Develop Potential COVID-19 Vaccine.
2020-03-18: NEWS1: Pfizer (PFE) Gains As Market Dips: What You Should Know.NEWS2: Pfizer puts off investor day, reports two late-stage study results in advance.NEWS3: Pfizer Postpones Investor Day Scheduled for March 31, 2020 Due to Coronavirus Concerns.NEWS4: Pharmaceutical Companies Gain in the Fight Against Covid-19.NEWS5: Pfizer Announces Top-Line Results from Phase 3 Study of 20-Valent Pneumococcal Conjugate Vaccine in Pneumococcal Vaccine-Naïve Adults Aged 18 Years or Older.NEWS6: Pfizer Announces Positive Top-Line Results from Third Phase 3 Trial of Abrocitinib for Moderate to Severe Atopic Dermatitis, Which Showed Improvements in Skin Clearance, Disease Extent and Severity, and Itch.NEWS7: Pfizer indicates it will tap Boulder facility for help developing coronavirus vaccine.NEWS8: Merck's Chronic Cough Candidate Achieves Goals in Phase III.NEWS9: Pfizer, Regeneron Give Update on Coronavirus Drug Development.NEWS10: Company News for Mar 18, 2020.NEWS11: IDEAYA and Pfizer Enter Clinical Trial Collaboration and Supply Agreement to Evaluate Clinical Combination of IDE196 and Binimetinib in Solid Tumors Harboring GNAQ or GNA11 Hotspot Mutations.NEWS12: Pfizer Stock Falls 3%.
2020-03-19: NEWS1: Coca-Cola, Johnson & Johnson share losses lead Dow's nearly 100-point drop.NEWS2: Pfizer's Eczema Drug & Pneumococcal Vaccine Succeed in Study.NEWS3: The Daily Biotech Pulse: Pfizer's Eczema Drug Aces Latestage Study, Orphan Drug Designation For Dicerna, Dyadic's COVID-19 Connection.

Answer: Decrease