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:2020-10-28, Stock:PFE, The news for the past five days is as follows:
2020-10-21: NEWS1: U.S. Health Officials Optimistic One Or Two Covid-19 Vaccines Ready This Year.NEWS2: U.S. likely to have enough COVID-19 vaccines for all vulnerable Americans by year end -official.NEWS3: Coronavirus Latest: Wednesday, October 21.NEWS4: Ecuador signs COVID-19 vaccine supply deals with pharma companies.NEWS5: Participant in AstraZeneca Vaccine Trial Dies.NEWS6: Stimulus Talks Continue to Move Forward.NEWS7: Fauci Tells Doctors Covid is Worse in the U.S. Because of a Failure to Avoid Crowds.NEWS8: Pfizer's COVID-19 Vaccine Candidate Primed For $3.5B In 2021 Sales: Analyst.NEWS9: Pfizer Sets Up “Biggest Ever” Distribution Campaign for Covid-19 Vaccine.NEWS10: Data From Pfizer’s Adult and Pediatric Clinical Trial Programs for 20-Valent Pneumococcal Conjugate Vaccine Presented at IDWeek 2020.
2020-10-22: NEWS1: US faces major hurdles for COVID-19 vaccine distribution: Vaccine advisory committee.NEWS2: Moderna Covid-19 Vaccine Nears; Passes Key Milestone In Final Testing.NEWS3: Coronavirus Latest: Thursday, October 22.NEWS4: FDA Covid Meeting Shows the Companies Behind the Vaccines.NEWS5: Pfizer, Moderna Vaccines, Gilead Treatment In Focus As Health Firms Report Q3 Earnings.NEWS6: Pfizer, J&J urge clarity from FDA on future of COVID-19 vaccine trials once a vaccine is available.NEWS7: AstraZeneca (AZN), J&J (JNJ) Coronavirus Trials May Resume Soon.NEWS8: What to expect from the FDA's COVID-19 vaccine meeting today.NEWS9: Healthcare to Post Solid Q3 Earnings Growth: ETFs in Focus.NEWS10: Investors Brace for Barrage of Covid Vaccine Data to Roil Market.NEWS11: The Stock Market Is Preparing for a Blue Wave. That Could Be Premature, Researcher Says..NEWS12: 4 Straight Days, Troubling Trend?, Dollar Weakness, FDA Meets, Pfizer Vaccine.
2020-10-23: NEWS1: Pfizer Stock: Headed to $42?.NEWS2: Remdesivir Gets FDA Approval. What It Means for Gilead Stock and Vaccine Makers..NEWS3: Remdesivir ‘is not a knock out punch’ but it does help patients ‘recover quicker’: doctor.NEWS4: Pharmaceutical companies ‘are doing a good job’ with efficacy and transparency: physician.NEWS5: Coronavirus update: US sets new daily case record; FDA approves Gilead's remdesivir.NEWS6: Benzinga's Top Upgrades, Downgrades For October 23, 2020.NEWS7: IBM, Pfizer Collaborate On Early Alzheimer's Detection With Artificial Intelligence.NEWS8: Understanding Pfizer's Unusual Options Activity.NEWS9: Healthcare to Post Solid Q3 Earnings Growth: ETFs in Focus.NEWS10: COVID-19 'Pool testing' in schools would give insight on how well masks in schools are doing: Dr. Dara Kass.NEWS11: Is a Beat in Store for Glaxo (GSK) This Earnings Season?.NEWS12: As COVID-19 cases spike, pneumonia vaccine demand rockets and Europe runs low.
2020-10-26: NEWS1: Covid Roundup: AstraZeneca's Vaccine Data; Moderna's New Deal.NEWS2: Covid Roundup: AstraZeneca's Vaccine Data; Moderna's New Deal.NEWS3: Fauci: Early COVID-19 vaccines will only prevent symptoms, not block the virus.NEWS4: Why BioNTech Stock Sank Today.NEWS5: Pfizer Is Trading a Lot on Hopes Ahead of Earnings.NEWS6: Pfizer Inc. -- Moody's assigns P-1 rating to Pfizer's euro CP program.NEWS7: Pfizer Inc. -- Moody's assigns P-1 rating to Pfizer's euro CP program.NEWS8: Bayer to Acquire a Lead Position in America's Gene Therapy Space.NEWS9: After Restarting Covid Vaccine Trial, AstraZeneca Has Good News for Older Adults.NEWS10: What's the Best Way to Invest in Coronavirus Vaccine Stocks?.NEWS11: What's the Best Way to Invest in Coronavirus Vaccine Stocks?.NEWS12: Will Pfizer's (PFE) Oncology Drugs Drive Its Q3 Earnings?.NEWS13: Are Coronavirus Vaccine Stocks Too Expensive?.
2020-10-27: NEWS1: ‘Someone, somewhere in the U.S. is getting overwhelmed’ with the rising numbers of covid cases: UC Davis Health.NEWS2: Moderna Vaccine Gets U.K. "Rolling Review"; Novavax Expands Trials.NEWS3: Pfizer Earnings Beat But Sales Miss; Crucial Covid-19 Vaccine Trials Advance.NEWS4: Stocks End Mixed as Virus Cases Surge; Tech Lifted by AMD-Xilinx.NEWS5: Analyst Report: Pfizer Inc..NEWS6: Coronavirus Latest: Tuesday, October 27.NEWS7: Most efficacious, safest COIVD-19 vaccine ‘is going to be the winner’: Strategist.NEWS8: Eli Lilly slumps after earnings miss, paused COVID-19 antibody trial.NEWS9: Dow Falls as Virus Cases Surge; Tech Gets Lift From AMD's Buy of Xilinx.NEWS10: How Pfizer Missed an Opportunity With Its Q3 Results.NEWS11: Pfizer’s Covid-19 vaccine doesn’t add a ‘tremendous amount’ to the company’s valuation: Analyst.NEWS12: CAT earnings show slow in demand, 3M sees strong earnings on safety equipment sales.NEWS13: The Zacks Analyst Blog Highlights: Pfizer, Merck & Co., Bristol-Myers Squibb and Amgen.NEWS14: Pfizer (PFE) Q3 Earnings Top, Sales Miss, View Narrowed.NEWS15: Caterpillar, Pfizer, 3M Earnings Come In Better Than Expected, With Microsoft Straight Ahead.NEWS16: Pfizer CEO: may be a week between conclusive vaccine data, public notification.NEWS17: Dow Falls After Sharp Selloff, Tech Gets Lift From AMD Buy of Xilinx.NEWS18: Pfizer (PFE) Q3 Earnings Beat Estimates.NEWS19: Pfizer Stock Is Lower Because the Covid-19 Vaccine Looms Over Earnings.NEWS20: Stuck Americans Spend on DIY Projects and Crocs: Earnings Wrap.NEWS21: Pfizer Earnings Miss But Sales Beat; Crucial Covid-19 Vaccine Trials Advance.NEWS22: Pfizer Tops Q3 Earnings Forecast, Narrows 2020 Profit Target; Sees November Vaccine Application to FDA.NEWS23: The Daily Biotech Pulse: Catabasis Halts Duchenne Muscular Dystrophy Study, Lilly's COVID-19 Trial Disappointment, Merck, Pfizer Earnings.NEWS24: Pfizer says no COVID-19 vaccine data yet, could be week or more before it reports.NEWS25: Pfizer Earnings Mixed; Drug Giant Steady.NEWS26: Pfizer cites $500 million impact in the third quarter as a result of the COVID-19 pandemic.NEWS27: Investors Betting on a Coronavirus Vaccine Better Know Who Gets First Dibs in Global Pact.NEWS28: Recap: Pfizer Q3 Earnings.NEWS29: FDA Grants Priority Review and EMA Accepts Regulatory Submission for Pfizer’s Abrocitinib, an Oral Once-Daily JAK1 Inhibitor, for Patients 12 and Up with Moderate to Severe Atopic Dermatitis.NEWS30: Pfizer says no COVID-19 vaccine data yet, could be week or more before it reports.NEWS31: 3 Dirt-Cheap Dividend Stocks to Buy Today.NEWS32: PFIZER REPORTS THIRD-QUARTER 2020 RESULTS.

Answer: Decrease