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:2021-04-21, Stock:PFE, The news for the past five days is as follows:
2021-04-14: NEWS1: CDC Panel Talk Ends Without Vote; Pfizer Boost: Virus Update.NEWS2: What Does The J&J Covid Vaccine Debacle Mean For Herd Immunity?.NEWS3: Johnson & Johnson’s Vaccine Pain Could Be Moderna’s and Pfizer’s Vaccine Gain.NEWS4: Vaccine transparency is ‘the best course of action’: Doctor .NEWS5: ‘It was a wise decision to spread the risk’: Johnson & Johnson saga reveals vulnerabilities in COVID-19 vaccine strategy.NEWS6: U.S. in unique position to force increased accountability at the WHO: FDD.NEWS7: Greece orders COVID self-testing for service workers.NEWS8: Moderna CEO sees likely need for COVID booster for high-risk groups, eyes flu market.NEWS9: Coronavirus J&J vaccine concerns 'are very, very tiny risks worth taking': Yale doctor.NEWS10: UPDATE 1-Fauci says pause on J&J COVID-19 shot should not prompt vaccine hesitancy.NEWS11: Ireland's first dose vaccination target still on track - minister.NEWS12: Michigan Doctor on case spike: 'Michigan has the highest percent of variants'.NEWS13: Moderna is committed to keep chasing new COVID variants: CEO.NEWS14: Rare blood-clotting issue dominates COVID news as Denmark scraps AstraZeneca vaccine.NEWS15: Pfizer Will Send More Vaccine Doses After J&J Pause.NEWS16: Got $1,000? 2 Dirt-Cheap Value Stocks You Can Buy Right Now.NEWS17: UPDATE 2-South Africa says non-refundable downpayments among onerous vaccine terms.NEWS18: Von Der Leyen: Pfizer to Boost Q2 EU Vaccine Supply by 50M.NEWS19: EU Vaccine Passports Draw Close in Boon for Airlines, Hotels.NEWS20: UK Trial On Mix-Match COVID-19 Vaccines Expanded To Add Moderna, Novavax Shots.NEWS21: UPDATE 1-Elderly show similar antibody response to 1st dose of Astra, Pfizer COVID-19 shots -UK study.NEWS22: J&J and AstraZeneca sagas reveal key strengths — and vulnerabilities — in COVID-19 mass-vaccination campaign.NEWS23: Johnson & Johnson saga reveals critical strengths — and weaknesses — in U.S. COVID-19 vaccination strategy.NEWS24: EU moves up delivery for 50 million BioNTech and Pfizer COVID-19 vaccine doses.NEWS25: UPDATE 1-EU to raise COVID vaccine supplies from Pfizer in Q2 to 250 mln doses.NEWS26: Which Vaccine Maker Will Win the Fight Against COVID-19?.NEWS27: Dow Jones Futures: Tesla, Nvidia In Buy Zones; Bitcoin Soars As Coinbase IPO Looms; JPMorgan Earnings Top.NEWS28: Drugmakers Are Vying for a Multibillion-Dollar Market.NEWS29: EU's von der Leyen says EU to receive 50 mln more Pfizer shots in Q2.NEWS30: J&J (JNJ) COVID-19 Jab to be Paused on FDA/CDC Recommendation.NEWS31: You Can Make $250 Every Month From Investing in These 3 Stocks.NEWS32: Here's the Surprising Amount of Money Pfizer's Vaccine Might Make Immunizing Adolescents.NEWS33: Ireland considers extending gap between Pfizer vaccine doses.NEWS34: UPDATE 1-South Africa says downpayments to J&J, Pfizer not refundable.NEWS35: UPDATE 2-South Korea reports 731 new coronavirus cases.NEWS36: AstraZeneca vaccine elicits stronger T-cell response in elderly than Pfizer jab.
2021-04-15: NEWS1: Mass vaccination was never expected to go perfectly — or provide 100% protection against COVID-19.NEWS2: Pfizer CEO Says a Covid Booster Shot Will Likely Be Needed.NEWS3: How J&J's Coronavirus Vaccine Fiasco Could Benefit Novavax And Others.NEWS4: Covid-19 Disease Triggers More Ultra-Rare Blood Clots Than Vaccines, Study Finds.NEWS5: Coronavirus update: J&J vaccine pause remains, Oxford studies blood clots and COVID-19 vaccines.NEWS6: More domestic medical supply manufacturing is ‘critical’ for the U.S. : Premier President.NEWS7: Pfizer Invites Shareholders to Attend Virtual-Only 2021 Annual Meeting of Shareholders on April 22.NEWS8: FDA, CDC precaution with vaccine side effects is ‘encouraging’: Doctor.NEWS9: Pfizer CEO Bourla: Vaccine Takers May Require Third Booster Dose.NEWS10: Study Claims Pfizer, Moderna Vaccines May Also Trigger Ultra-Rare Blood Clots.NEWS11: Vaccination in the U.S. was never expected to go perfectly — or provide 100% protection against COVID-19.NEWS12: J&J Vaccine Pause Could Boost Pfizer, Moderna Stock.NEWS13: Bristol Myers' (BMY) Opdivo Combo Gets EU Nod for First-Line RCC.NEWS14: Pfizer, Moderna Covid-19 Vaccines May Also Trigger Ultra-Rare Blood Clots, Study Claims.NEWS15: This Quarter’s Earnings Were Supposed to Disappoint. They’re Beating Expectations—So Far..NEWS16: Is It Time To Buy AbbVie Stock — Or Will Pfizer's Bad News Continue To Hurt?.NEWS17: Will J&J (JNJ) Kickstart Pharma Q1 Earnings With a Beat?.NEWS18: Blood clots as prevalent with Pfizer and Moderna vaccine as with AstraZeneca's: study.NEWS19: Could This Cheap COVID Vaccine Spell Doom for Pfizer and Moderna?.NEWS20: India vows to decide on foreign vaccines within 3 days to fast-track imports.NEWS21: How China Passed Up a Vaccine Opportunity and Fell Behind.NEWS22: Johnson & Johnson and AstraZeneca sagas illustrate strength of COVID-19 strategy: ‘It was a wise decision to spread the risk’.NEWS23: What Johnson & Johnson and AstraZeneca’s problems reveal about the COVID-19 mass-vaccination campaign.NEWS24: Pfizer chief says people will probably require yearly Covid booster shot.NEWS25: Pfizer CEO says people will probably need yearly Covid booster shot.
2021-04-16: NEWS1: The Dow Rose 165 Points Because Everything Came Up Roses.NEWS2: How much money will Pfizer and Moderna make from their booster shots?.NEWS3: There Is More To Pfizer Than The Covid Vaccine.NEWS4: 'You can think of it like an annual flu shot': Doctor on possible COVID-19 booster shots.NEWS5: The push to vaccinate farm workers against COVID-19.NEWS6: Vaccinating kids will be very important in getting to herd immunity: Expert.NEWS7: Top Research Reports for UnitedHealth, Pfizer & Accenture.NEWS8: UPDATE 1-Pregnant women in UK told to have Pfizer or Moderna vaccines.NEWS9: Doctor: COVID-19 vaccines 'do lead to a really strong immune response'.NEWS10: Why Pfizer Shares Keep Moving Higher?.NEWS11: Stock Market Today With Jim Cramer: Buy These Stocks Over Pfizer.NEWS12: J&J’s Vaccine Pause Could Have Ripple Effects for the World.NEWS13: The expectation of perfection: Risk of blood clot from Johnson & Johnson COVID-19 vaccine is 0.00009%.NEWS14: Moderna, Pfizer Rebuffed J&J Proposal for Joint Vaccine Safety Exam, WSJ Reports.NEWS15: UPDATE 4-Game changer: Chile hails Sinovac's 67% effectiveness in study.NEWS16: The J&J Vaccine Pause Should Worry Us All. What to Know..NEWS17: Pfizer CEO says a third vaccine dose is likely, Moderna updates booster shot timeline.NEWS18: Splunk Slips, Sunrun Rises, and Stocks Are Up.NEWS19: Moderna to Reduce Vaccine Deliveries in U.K., Canada.NEWS20: UPDATE 1-Johnson & Johnson asked rival COVID-19 vaccine makers to probe clotting risks - WSJ.NEWS21: Pharma Stock Roundup: JNJ's COVID-19 Vaccine Woes, MRK Ends COVID-19 Drug Development.NEWS22: Pfizer, Moderna Reportedly Decline J&J Request to Study Clot Risk.NEWS23: U.S. parents begin to ask: Should my child get a COVID-19 shot?.NEWS24: Pipeline pressure and Elliott’s stake have GSK in a spin.
2021-04-19: NEWS1: Pfizer (PFE) Gains As Market Dips: What You Should Know.NEWS2: Doctor on J&J vaccine: ‘You have a much higher risk of getting a blood clot if you smoke’.NEWS3: India to waive import duty on COVID-19 vaccines, says govt source.NEWS4: Doctor on J&J vaccine: It comes down to 'the benefit-risk ratio'.NEWS5: UPDATE 2-Israel to buy millions of Pfizer COVID-19 vaccine doses.NEWS6: South Africa's vaccine compensation fund could cost $17.5 mln in first year.NEWS7: Bulgaria halts AstraZeneca vaccine for women under 60 at risk of thrombosis.NEWS8: U.S. hits vaccine milestone despite rise in COVID cases.NEWS9: What Does J&J's Pause Mean for Investors?.NEWS10: UPDATE 3-Spain to trial mixing COVID vaccines after restricting AstraZeneca shot.NEWS11: CureVac starts review process in Switzerland for COVID-19 vaccine hopeful.NEWS12: The Zacks Analyst Blog Highlights: UnitedHealth, Pfizer, Accenture, Wells Fargo and Uber.NEWS13: UPDATE 1-Spain mulls delaying second dose of Moderna and Pfizer shots, El Mundo reports.NEWS14: 15 Best Stocks in the Past Week: Novavax, Moderna Surge Higher.NEWS15: Pound climbs higher after US Federal Reserve disappoints dollar.NEWS16: The public’s expectation of perfection: Risk of blood clot from Johnson & Johnson COVID-19 vaccine is 0.00009%.
2021-04-20: NEWS1: UPDATE 2-Brazil in talks to buy 100 mln more Pfizer/BioNTech COVID-19 vaccine doses.NEWS2: EU regulatory agency links J&J COVID-19 vaccine to rare blood clots.NEWS3: Pandemic eviction bans found to protect entire communities from COVID-19: Study.NEWS4: Israel prepares second COVID vaccine round, expects to include children.NEWS5: Emergent (EBS) Bayview Unit Operation on Hold for FDA Probe.NEWS6: Pfizer (PFE)/ BioNTech to Supply Extra Comirnaty Doses to EU.NEWS7: 10 Words From Pfizer's CEO That Could Mean $10 Billion in Higher Vaccine Sales.NEWS8: UPDATE 1-EU to funnel COVID vaccines to Balkans after China, Russia shipments.NEWS9: Updating Pfizer's Technical Condition.NEWS10: China's U.S. embassy has begun accepting non-Chinese vaccine records.NEWS11: Israel logs Indian COVID-19 variant, sees some vaccine efficacy against it.NEWS12: UPDATE 2-Thailand seeks 5-10 mln doses of Pfizer vaccines.NEWS13: Austria to funnel 651,000 COVID vaccine doses to Western Balkans from EU.

Answer: Rise