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:2020-10-27, Stock:PFE, The news for the past five days is as follows:
2020-10-20: NEWS1: U.S. COVID-19 cases climbing to new peak amid fall surge.NEWS2: Coronavirus Latest: Tuesday, October 20.NEWS3: Doctor of COVID-19 vaccine: It’s ‘unlikely’ we’ll see the data before the election.NEWS4: Covid-19 Vaccines Could Take a Critical Next Step in November — Just Not In Time for the Election.NEWS5: CORRECTED-Mexico could absorb some COVID-19 vaccine liabilities.NEWS6: Were Hedge Funds Right About Pfizer Inc. (PFE)?.NEWS7: Earnings Preview: Pfizer (PFE) Q3 Earnings Expected to Decline.NEWS8: Coronavirus update: U.S. braces for third wave; Moderna manages vaccine expectations.NEWS9: Is Pfizer Inc. (NYSE:PFE) Popular Amongst Institutions?.NEWS10: Exelixis' (EXEL) Cabometyx Combo Approved by FDA for RCC.NEWS11: UK launches world's first human challenge trial for COVID-19 with hVivo.NEWS12: Moderna's COVID-19 vaccine timeline.NEWS13: These are the 3 best dividend yield investments for 2021.NEWS14: Pfizer (PFE) to Report Q3 Earnings: What's in the Cards?.NEWS15: 3 Critical Near-Term Milestones to Watch With Pfizer's Coronavirus Vaccine.NEWS16: Pfizer, BioNTech start combined trials of COVID-19 vaccine candidate in Japan.
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?.

Answer: Decrease