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:2021-12-23, Stock:PFE, The news for the past five days is as follows:
2021-12-16: NEWS1: Why Moderna and Pfizer Beat the Market Today.NEWS2: 3 COVID Stocks That Will Pay You Rich Dividends in 2022.NEWS3: CDC Advisors Recommend Pfizer and Moderna’s Vaccines Over J&J’s.NEWS4: UPDATE 1-Pfizer files for full FDA approval of COVID-19 vaccine in adolescents.NEWS5: Doctor says 'We have to prepare for a surge' amid the Omicron variant's surge.NEWS6: Ab Cap Fund, Inc. Buys Alphabet Inc, PepsiCo Inc, Walmart Inc, Sells Alphabet Inc, Texas ....NEWS7: CDC advisers recommend Pfizer, Moderna COVID-19 vaccines over J&J shot because of rare side effect.NEWS8: Omicron is 'very transmissible,' doctor explains, and ‘people need to stay vigilant’.NEWS9: Pfizer Will Dominate $20 Billion Covid-Pill Market in 2022, Analysis Shows.NEWS10: EMA Offers Early Access To Pfizer's COVID-19 Pill Paxlovid.NEWS11: UPDATE 1-Britain banking on COVID antivirals to get through Omicron winter.NEWS12: Arcturus Shares Shoot Higher After Additional Data From COVID-19 Vaccine Programs.NEWS13: New COVID-19 booster candidates are still being developed as omicron spreads.NEWS14: UPDATE 1-Eight heart inflammation cases among young kids who got COVID-19 shot - U.S. CDC.NEWS15: UPDATE 1-EU watchdog okays production capacity hikes for J&J, Moderna, Pfizer vaccines.NEWS16: Finding Yield With A Cash Secured Put On Pfizer Stock; Annualized Return Could Top 18%.NEWS17: 3 Stocks That Just Declared Dividend Raises.NEWS18: UPDATE 1-EU states can use Pfizer's anti-COVID pill-regulator.NEWS19: Britain banking on COVID antivirals to get through Omicron winter.NEWS20: Airline CEOs clash with lawmakers over travel recovery, pilot shortage.NEWS21: Merck's (MRK) Pneumococcal Vaccine Vaxneuvance Gets EU Nod.NEWS22: EMA Issues Advice for Potential Early Use of Pfizer’s Novel COVID-19 Oral Antiviral Candidate.NEWS23: Small S.Africa patient study shows Omicron breaking through booster shots.NEWS24: J&J's (JNJ) COVID-19 Booster Jab Gets CHMP Recommendation.NEWS25: We See Multiple Boosts Ahead for Pfizer.NEWS26: EXPLAINER-Is it safe for Americans to travel for the holidays?.NEWS27: Germany betting on booster campaign against Omicron - govt.NEWS28: Exelixis (EXEL) Initiates Study on XL092 in Advanced Solid Tumors.NEWS29: UPDATE 1-Denmark approves Merck's COVID-19 pill for at-risk patients.NEWS30: Pfizer's (NYSE:PFE) Dividend Will Be Increased To US$0.40.NEWS31: Valneva Soars on Claim Its Covid Booster Is Effective.NEWS32: INSIGHT-Refugees lack COVID shots because drugmakers fear lawsuits - documents.NEWS33: Russell Investment Funds Buys Catalent Inc, Willis Towers Watson PLC, Edison International, ....
2021-12-17: NEWS1: Why Pfizer and Johnson & Johnson Fell on Friday.NEWS2: Pfizer Delays Authorization Request for Young Childrens’ Covid Vaccine. Stock Slips..NEWS3: Pfizer Stock Dives On Initial Insight Into Covid Shots For Babies, Toddlers.NEWS4: Johnson & Johnson Leads Dow Rout After CDC Favors Pfizer, Moderna Covid Shots.NEWS5: Was The Move In Pfizer Stock Too Good To Last?.NEWS6: Pfizer pushes back plans to request authorization of COVID-19 vaccine in children ages 2 to 5.NEWS7: New York Cases Hit Record; NFL Delays Games: Virus Update.NEWS8: Pfizer Delays Plans to Seek Authorization of Covid-19 Vaccine for Young Children.NEWS9: Portfolio manager breaks down market worries over tighter monetary policy, Omicron.NEWS10: Pfizer Plans To Evaluate Third Shot For Its COVID-19 Vaccine In Kids Below 5 Years.NEWS11: COVID-19: 'This will be a really, really tough winter' for the unvaccinated, doctor explains.NEWS12: Europe taps Pfizer and BioNTech to provide 180 million more vaccines to face ‘ferocious’ Omicron threat.NEWS13: Omicron: 'There isn't a political appetite' to issue lockdowns again, doctor explains.NEWS14: Pfizer (PFE) COVID Pill Paxlovid Gets CHMP Support in Europe.NEWS15: Unvaccinated Americans facing ‘winter of severe illness and death,’ Biden warns, as omicron starts to spread across the U.S..NEWS16: U.S. CDC Recommends mRNA COVID-19 Vaccines Over J&J's Jab.NEWS17: Pharma Stock Roundup: PFE Announces Arena Buyout, LLY Ups 2021 View & More.NEWS18: Earnings: Pfizer stock falls on vaccine sales forecast, Rivian shares decline, FedEx stock rises.NEWS19: Omicron: Biden warns of winter with 'severe illness and death' as COVID-19 cases rise.NEWS20: UPDATE 3-Pfizer says pandemic could extend to 2024, vaccine data for younger children delayed.NEWS21: Omicron: 'The good news is that we have the tools,' doctor says.NEWS22: Johnson & Johnson's, Sputnik, Sinopharm COVID-19 Vaccines Show Weakness Against Omicron Variant: Study.NEWS23: Pfizer Submits Application For Approval Of COVID-19 Shot For Adolescents Aged 12 To 15.NEWS24: Biden Says Unvaccinated Face ‘a Winter of Severe Illness and Death’.NEWS25: Biden Says Unvaccinated Will Face “a Winter of Severe Illness and Death”.NEWS26: UPDATE 2-J&J, Sinopharm, Sputnik V COVID-19 shots less effective against Omicron -study.NEWS27: WRAPUP 3-Pfizer says pandemic could extend through 2023, studies three-dose vaccine course for children.NEWS28: Is Merck's Dig at Pfizer's COVID-19 Pill Justified?.NEWS29: Here's Why Shares of Bristol Myers Squibb, Eli Lilly, and Pfizer Rocketed Higher This Week.NEWS30: Coronavirus tally: Global cases of COVID-19 top 273 million and CDC panel recommends Pfizer and Moderna vaccines over J&J's.NEWS31: UPDATE 2-EU to place order with Pfizer for COVID shots adapted to Omicron.NEWS32: Moderna COVID-19 shot more likely to cause heart inflammation than Pfizer's, study shows.NEWS33: Biden Issues ‘Severe Illness’ Warning for Unvaccinated, Pfizer Seeks Full Vaccine Approval for 12- to 15-Year-Olds.NEWS34: EU to place order with Pfizer for COVID shots adapted to Omicron.NEWS35: UPDATE 1-Japan PM Kishida speeds boosters and secures Pfizer pills amid Omicron fears.NEWS36: Japan PM Kishida speaks with Pfizer CEO on speeding vaccine boosters - media.NEWS37: Fidelity Contrafund Buys Shopify Inc, Snap Inc, ServiceNow Inc, Sells Mastercard Inc, Union ....NEWS38: J&J Slips as CDC Tells People to Pick Pfizer or Moderna For Covid Shots.NEWS39: CDC Advisers Recommend Pfizer and Moderna’s Vaccines Over J&J’s.
2021-12-20: NEWS1: How Moderna Is Leading The Omicron Battle As Novavax Marks A Key Win.NEWS2: Pfizer’s VYNDAQEL®/VYNDAMAX® Reduced the Risk of All-Cause Mortality by 41% Among Patients with Transthyretin Amyloid Cardiomyopathy, Five-Year Follow-Up Data Demonstrate.NEWS3: U.S. administers 496,239,573  mln doses of COVID-19 vaccines - CDC.NEWS4: Right-wing extremists are exploiting COVID-19 conspiracies on Telegram: Disinformation analyst.NEWS5: Omicron: We could see 'a substantial surge' in NY this winter, NewYork Presbyterian Hospital CEO says.NEWS6: ‘Growth was going to slow’ whether Manchin supported Build Back Better or not: Strategist.NEWS7: Moderna Says Covid-19 Booster Dose Works Against Omicron Variant in Lab Tests.NEWS8: Omicron surge prompts COVID restrictions, Hong Kong voters stay home, Chile elects youngest president.NEWS9: Stock Market Indexes Fall Below Key Levels As Covid Fears Swarm Global Markets.NEWS10: COVID-19 testing in the U.S. has been ‘a disaster from day one,’ doctor says.NEWS11: Vaccine Stocks: Trading Moderna, Pfizer and Novavax Amid Omicron Outbreak.NEWS12: Pfizer (PFE) to Test 3-Dose COVID-19 Vaccine Regimen in Kids.NEWS13: Covid Lockdowns, Fears Send Stock Market Reeling; Moderna Climbs On Booster Study, But Fades.NEWS14: Pfizer and BioNTech to Provide European Union More Than 200 Million Additional Doses of COMIRNATY® to Help Meet Continued Need for Vaccine Supply.NEWS15: Moderna says COVID-19 booster shot offers protection against Omicron.NEWS16: UPDATE 2-French health regulator approves Pfizer vaccine for 5-11 year olds.NEWS17: Coronavirus tally: Global cases of COVID-19 near 275 million and research shows only Pfizer/Moderna vaccines with booster stop omicron.NEWS18: Pfizer and BioNTech to provide more than 200 million additional COVID vaccine doses to EU in 2022.NEWS19: Biontech, Pfizer to provide EU with extra 200 mln COVID doses.NEWS20: 3 Healthcare Stocks That Could Help Make You a Fortune.NEWS21: New Moderna tests suggest its booster works to prevent omicron.NEWS22: Thais resell private COVID-19 vaccination slots as free supplies build.NEWS23: Thai agency approves Pfizer vaccine for use in children aged 5-11.NEWS24: UPDATE 1-New Zealand links 26-year-old man's death to Pfizer COVID-19 vaccine.NEWS25: New Zealand links 26-year-old man's death to Pfizer COVID-19 vaccine.
2021-12-21: NEWS1: U.S. administers 497.4 mln doses of COVID-19 vaccines - CDC.NEWS2: Israel to Offer Fourth Shots; N.Y. Cancels Exams: Virus Update.NEWS3: AbbVie Stock Retakes Its 50-Day Line On Bullish Earnings — Is It A Buy Right Now?.NEWS4: FDA Could Authorize Covid Pills This Week — But Pfizer, Merck Stocks Fall.NEWS5: Is Pfizer Stock A Buy As The FDA Mulls Its Covid Pill Amid Omicron's Spread?.NEWS6: Pfizer's Duchenne Gene Therapy Trial Put On FDA Hold After Patient Death.NEWS7: Broadway League president on Omicron spike: 'We don’t anticipate being shut down at any time soon’.NEWS8: UPDATE 1-Pardes to go public, says COVID-19 antiviral pill does not need booster.NEWS9: Novavax CEO: 'We will be filing within the next few days' with FDA.NEWS10: Five-Year Follow-Up Data Show Pfizer's Tafamidis Cuts Risk of Mortality by 41% In Cardiomyopathy Patients.NEWS11: Novavax (NVAX) COVID Vaccine Gets EU Nod, 2nd Listing by WHO.NEWS12: Stocks rebound after Omicron concerns rattle markets.NEWS13: COVID-19: What the Biden administration is doing to address winter surge in cases.NEWS14: Glaxo (GSK) Gets FDA Nod for HIV Preventive Injectable Drug.NEWS15: Novavax CEO: ‘We are making an Omicron variant strain vaccine’.NEWS16: UPDATE 2-Blood thinner drug Xarelto tied to higher rate of major side effects - study.NEWS17: Why Pfizer Stock Is Sinking Today.NEWS18: 5 Top Stock Decliners as Markets Make a Comeback.NEWS19: COVID-19: U.S. confirms first death linked to Omicron variant.NEWS20: UPDATE 2-U.S. FDA set to authorize Pfizer, Merck COVID-19 pills this week - Bloomberg News.NEWS21: Moderna (MRNA) COVID-19 Booster Jab Effective Against Omicron.NEWS22: Omicron surge: Live event cancellations are ‘still a minority,’ Vivid Seats CEO says.NEWS23: Blood thinner drug Xarelto tied to more major side-effects - study.NEWS24: Coronavirus: White House to distribute 500M at-home COVID tests amid Omicron surge.NEWS25: Analysts Say You Should Sell 9 Big Stock Winners Right Now.NEWS26: Long-Acting HIV Treatment Backed By GSK, Pfizer Scores FDA Approval As Preventative Option.NEWS27: Pardes to go public, says COVID-19 antiviral pill does not need booster.NEWS28: What Are the Best Vaccine Stocks to Own in 2022?.NEWS29: Moderna Stock: Buy, Sell, or Hold in 2022?.NEWS30: 3 Great Stocks to Buy With the Omicron Variant Spreading Like Wildfire.
2021-12-22: NEWS1: Pfizer (PFE) Stock Moves 1.02%: What You Should Know.NEWS2: Gold Up, Weakening Dollar Outweighs Positive Omicron Study.NEWS3: Markets Stay Up on Omicron News; Home Sales in Focus.NEWS4: Why Moderna Stock Dropped Today.NEWS5: Pfizer’s Covid-19 Pill Is Authorized in U.S..NEWS6: US STOCKS-Wall St mints strong gains on rosy economic data, encouraging Omicron update.NEWS7: Pfizer’s Covid Pill Wins FDA Emergency-Use Authorization.NEWS8: Dow Jones Rallies; Elon Musk Does This, Tesla Stock Surges; Moderna Dives Amid Covid News.NEWS9: Dow Jones Gains; Elon Musk Does This, Tesla Stock Rockets; Moderna Dives As Covid Pill Clears Hurdle.NEWS10: Why Teladoc Health Stock Fell Today.NEWS11: U.S. administers 499 mln doses of COVID-19 vaccines - CDC.NEWS12: US STOCKS-Wall St gains on upbeat economic data, encouraging Omicron update.NEWS13: Pfizer COVID-19 pill: 'It's positive news' but 'this isn't a magic bullet,' doctor explains.NEWS14: Stocks in focus: Tesla, Caterpillar, Pfizer, Moderna.NEWS15: FDA authorizes Pfizer’s COVID-19 treatment pill.NEWS16: FDA Authorizes Pfizer Antiviral Pill to Fight Covid.NEWS17: FDA Approves Pfizer Antiviral Pill to Fight Covid.NEWS18: Pfizer's Paxlovid Scores FDA Approval, First Oral Antiviral For COVID-19 In US.NEWS19: UPDATE 5-U.S. authorizes Pfizer oral COVID-19 treatment, first for at-home use.NEWS20: FDA authorizes Pfizer's COVID-19 antiviral for high-risk teens and adults.NEWS21: Pfizer Receives U.S. FDA Emergency Use Authorization for Novel COVID-19 Oral Antiviral Treatment.NEWS22: Pfizer oral COVID-19 pill gets U.S. authorization for at-home use.NEWS23: S&P 500 Rallies as Bulls Up Bets on Tesla, Tech.NEWS24: Stocks Close Higher on Pfizer Covid-19 Treatment Approval, Economic News.NEWS25: COVID-19: How Omicron is impacting professional sports, 2022 Winter Olympics.NEWS26: Stocks Rise on Pfizer Covid-19 Treatment Approval, Economic News.NEWS27: S&P 500 Continues Rebound From Omicron Selloff as Tesla, Tech Lead Gains.NEWS28: COVID-19 will be ‘ever present’ — even in a post-pandemic world, doctor says.NEWS29: Market check: Stocks open mixed, bond volatility settles.NEWS30: US STOCKS-Wall Street subdued as Omicron concerns linger.NEWS31: Novavax (NVAX) Commences COVID-19 Vaccine Booster Study.NEWS32: UPDATE 1-Britain to vaccinate vulnerable younger children against COVID-19.NEWS33: Britain approves Pfizer-BioNTech shot for younger children.NEWS34: FDA set to approve Pfizer, Merck COVID-19 pills within days.NEWS35: FDA To Possibly Authorize Pfizer, Merck COVID-19 Antiviral Pills This Week: Bloomberg.NEWS36: UK Calls For Additional Doses Of COVID-19 Antivirals From Merck, Pfizer.NEWS37: 'Significant increase' in protection vs Omicron from mRNA boosters, study says.NEWS38: US STOCKS-Wall Street set to drop as Omicron worries linger.NEWS39: Will Lilly and Pfizer be Top Pharma Stocks Again in 2022?.NEWS40: UPDATE 2-France cancels order for Merck's COVID-19 antiviral drug.NEWS41: France cancels order for Merck's COVID-19 antiviral drug.NEWS42: Slovakia to ship 200,000 COVID-19 shots to Omicron-hit Denmark.NEWS43: Wall Street subdued as Omicron concerns linger.NEWS44: Biden administration to stockpile 4 million COVID-19 therapies by end January: report.NEWS45: A Boeing call shows why travel won't be a total wash despite Omicron: Morning Brief.NEWS46: UPDATE 2-UK's Croda to sell industrial chemicals unit to Cargill in $1 bln deal.NEWS47: Several African companies could make covid vaccines, if Big Pharma drops its resistance.NEWS48: Pfizer to Provide the United Kingdom an Additional 2.5 Million Treatment Courses of Investigational Oral Antiviral Candidate to Help Combat COVID-19.NEWS49: Tesla, Musk, Pfizer, Blackberry; Stocks Mixed With Omicron In Focus - Five Things You Musk Know.

Answer: Decrease