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:2021-03-26, Stock:PFE, The news for the past five days is as follows:
2021-03-19: NEWS1: ‘I still have a lot of confidence in the Astrazeneca vaccine:’ Doctor.NEWS2: 7 Dividend Stocks You Can Trust Your Retirement To.NEWS3: Biden’s vaccine goal was not a ‘moonshot challenge’: Analyst.NEWS4: Supply is soon going to ‘outmatch’ demand for the vaccine: Doctor.NEWS5: EU's 'hopeless' response to Covid putting UK at risk, says Oxford's Sir John Bell.NEWS6: Students can now sit 3 feet apart, CDC says.NEWS7: UPDATE 1-Mexican president thanks Biden for COVID shots to ease shortage.NEWS8: Exelixis (EXEL) Inks Collaboration Deal to Test XL092 Combo in UC.NEWS9: Exelixis Partners With Merck KGaA And Pfizer For STELLAR-001 Clinical Trial.NEWS10: Germany sticks to summer vaccination target - document.NEWS11: Could a Supply Glut Sink COVID Vaccine Stocks?.NEWS12: Push to make Covid vaccines causes US drug shortages.NEWS13: Scramble to make Covid vaccines causes US drug shortages.
2021-03-22: NEWS1: Pfizer (PFE) Outpaces Stock Market Gains: What You Should Know.NEWS2: The FDA has ‘a lot of positive things to look at’ with AstraZeneca vaccine: Doctor.NEWS3: Pfizer/Eli Lilly's Tanezumab Safety Profile Fails To Impress FDA Even After 15 Years Of Development Across 41 Trials.NEWS4: The vaccination news is promising in the U.S. and other parts of the world: Chief Strategist.NEWS5: There is a real threat that a new variant could arise and become dominant: Adjunct Assistant Prof. of Emergency Med. .NEWS6: UPDATE 1-Swiss approve Johnson & Johnson COVID-19 vaccine, haven't bought any.NEWS7: U.S. on track to almost triple vaccine output in March, as new variants pressure Europe and Brazil.NEWS8: Lifted COVID-19 restrictions ‘defies logic’ at this point in recovery: Doctor.NEWS9: AstraZeneca COVID-19 vaccine is 79% effective: U.S. study.NEWS10: UPDATE 2-Spain extends use of AstraZeneca vaccine to 18-65 year olds.NEWS11: [video]Should You Buy AstraZeneca After Its Positive Vaccine News?.NEWS12: Why I Didn't Jump on the Coronavirus Vaccine Stock Bandwagon.NEWS13: Got $5,000? Consider These 3 Leading Pharma Stocks.NEWS14: Malaysia sets up compensation fund for COVID-19 vaccinations.NEWS15: Airfinity CEO on Vaccination Campaign.
2021-03-23: NEWS1: AstraZeneca falls into same trap of failed ‘crisis communications’: SDA Partner.NEWS2: Pfizer to Develop mRNA Vaccines Without BioNTech.NEWS3: Is Pfizer (PFE) Stock A Buy or Sell?.NEWS4: A Spotlight On Israel's Rollout Of Pfizer's COVID-19 Vaccine, Why Some Have Privacy Concerns.NEWS5: Pfizer Starts Early-Stage Study Of Oral Antiviral COVID-19 Drug.NEWS6: Pfizer Will Test a Pill to Kill the Covid-19 Virus.NEWS7: 3 Undervalued Pharma Stocks for Sleep-Well-at-Night Income.NEWS8: P/E Ratio Insights for Pfizer.NEWS9: Pfizer starts early-stage study of oral COVID-19 treatment.NEWS10: Pfizer Plans To Develop New mRNA-Based Vaccines By Itself, Says CEO: WSJ.NEWS11: 2 Dirt-Cheap Value Stocks to Buy Right Now.NEWS12: Pfizer begins early-stage study of oral COVID-19 drug.NEWS13: Pfizer Initiates Phase 1 Study of Novel Oral Antiviral Therapeutic Agent Against SARS-CoV-2.NEWS14: Pfizer Invites Public to View and Listen to Webcast of Pfizer May 4 Conference Call with Analysts.NEWS15: Concerns raised over AstraZeneca vaccine trials: U.S officials.NEWS16: Biden team preps $3T economic package.NEWS17: Pfizer Begins Testing COVID Treatment Pill on Humans.NEWS18: Will the Fourth COVID-19 Vaccine in U.S. Get FDA Nod Soon?.NEWS19: UPDATE 3-Pfizer to go solo on new vaccines using mRNA technology - WSJ.NEWS20: These 15 Words From Pfizer's CFO Could Translate to Billions in Sales for Its COVID Vaccine.
2021-03-24: NEWS1: Why BioNTech Stock Sank Today.NEWS2: Pfizer Shrugs Off Drug-Pricing Worries As Two Covid-Tied Themes Emerge.NEWS3: UPDATE 1-Canada's lagging COVID-19 vaccine campaign set to ramp up as virus variants spread.NEWS4: Vaccine hesitancy can lead to development of ‘potent mutations’ in COVID-19: Doctor.NEWS5: U.S. must remain ‘worried about variants’: Doctor.NEWS6: Pfizer Stock Edges Up On Plans To Develop Covid Pill, mRNA Vaccines.NEWS7: Canada's lagging COVID-19 vaccine campaign set to ramp up as virus variants spread.NEWS8: ROCE Insights For Pfizer.NEWS9: The Daily Biotech Pulse: Dynavax-Clover Start Phase 2/3 Vaccine Study. BrainStorm Reports Positive MS Readout, NeoGenomics Goes Shopping.NEWS10: Pfizer (PFE) Begins Clinical Study on COVID-19 Antiviral Pill.NEWS11: Myovant/Pfizer's Relugolix Combo Therapy Shows Sustained Clinical Benefit In Uterine Fibroids.NEWS12: Hong Kong Suspends Pfizer/BioNTech COVID-19 Shots On Loose Caps, Minor Dirt: Report.NEWS13: Coronavirus tally: Global cases of COVID-19 top 124 million and U.S. nears 544,000 fatalities.NEWS14: Myovant Sciences and Pfizer Announce Positive Data from Phase 3 LIBERTY Randomized Withdrawal Study of Once-Daily Relugolix Combination Therapy in Women with Uterine Fibroids.NEWS15: Which COVID Vaccine Stock Is the Best Pick?.NEWS16: Market Beatdown, Yellen's Bologna, Thoughts on Intel, Marvell, Pfizer, GameStop.NEWS17: Hong Kong suspends use of Pfizer vaccine over defective bottle lids.NEWS18: UPDATE 5-Hong Kong halts BioNTech COVID-19 vaccines, investigates packaging.
2021-03-25: NEWS1: Pfizer, Eli Lilly say experimental arthritis drug tanezumab hits FDA snag.NEWS2: Joint FDA Advisory Committee Votes on Application for Tanezumab for the Treatment of Osteoarthritis Pain.NEWS3: UPDATE 1-EU export restrictions on COVID shots would be 'lose-lose' situation - Pfizer exec.NEWS4: Thermo Fisher to work with Pfizer-BioNtech on vaccine production in Italy.NEWS5: Pfizer exec says EU export restrictions on COVID-19 vaccines would be a 'lose-lose' situation.NEWS6: Albania gets 192,000 doses of Chinese Sinovac vaccine.NEWS7: Pfizer, BioNTech launch COVID-19 vaccine trial in kids under 12.NEWS8: EU exported 77 mln COVID-19 vaccines since Dec - Commission.NEWS9: Myovant's (MYOV) Data on Relugolix for Uterine Fibroids Positive.NEWS10: Pfizer says Ibrance gives more survival time to some breast-cancer patients.NEWS11: Real-World Evidence Supports Effectiveness of First-line IBRANCE® (palbociclib) Combination Therapy in HR+, HER2- Metastatic Breast Cancer.NEWS12: UPDATE 2-More than half of Israelis receive both COVID-19 vaccine doses.NEWS13: Disputes leave AstraZeneca boss with chronic vaccine headache.NEWS14: Data and delivery disputes leave Soriot with chronic vaccine headache.

Answer: Rise