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:2021-11-29, Stock:PFE, The news for the past five days is as follows:
2021-11-19: NEWS1: CDC recommends COVID-19 vaccine booster shots for all adults.NEWS2: Pfizer-BioNTech, Moderna Covid-19 Boosters for All Adults Backed by FDA, CDC.NEWS3: What Are the Top COVID Plays for 2022?.NEWS4: Pfizer, Moderna Stocks Diverge After FDA Allows Covid Boosters For All Adults.NEWS5: Dow Jones Dips As Apple Drives Higher; Donald Trump SPAC Falls Hard; Nike Runs Into Buy Zone.NEWS6: Oil Prices, Travel Stocks Fall As Covid-19 Continues To Spread, But Hope Is On The Horizon.NEWS7: CDC Advisory Panel Backs Pfizer and Moderna Boosters for All Adults.NEWS8: 'This is wonderful news:' reacting to the CDC's decision to endorse booster shots for adults.NEWS9: CDC panel recommends Moderna, Pfizer booster for all adults.NEWS10: Why These 10 Stocks Are Trending on Friday.NEWS11: Dow Jones Slides While Nasdaq Pops; Covid Vaccine Stocks Rise; This Shipping Stock Is Actionable Now.NEWS12: Stock market news live updates: Dow slides but tech stocks outperform as Europe's COVID struggles rattle markets.NEWS13: Pfizer and Moderna stocks rise on FDA approval of booster shots.NEWS14: 7 Stocks to Buy as America Lifts Its Travel Ban.NEWS15: Pills to treat COVID-19 will be game-changers, but the best strategy remains prevention.NEWS16: 10 Best Blue-Chip Stocks to Buy for Growth and Dividends in 2022.NEWS17: COVID-19 booster shots get FDA OK, as U.S.’s daily death toll holds above 1,000 and cases rise to 6-week high.NEWS18: FDA Gives Authorization to Two COVID-19 Boosters.NEWS19: COVID-19 Booster Shots From Moderna, Pfizer/BioNTech Score FDA Nod All Adults.NEWS20: Pfizer Assigned Outperform Rating by BMO on 'Solid' Fundamentals.NEWS21: UPDATE 1-EU recommends Merck COVID-19 pill for adults at risk of severe illness.NEWS22: Stock Market Mixed On Global Covid Worries; Vaccine Maker Breaks Out Past Buy Point.NEWS23: U.S. looking to broaden access to COVID-19 antiviral pills - WSJ.NEWS24: Will Pfizer's COVID Pill Crush the Hopes of Merck Investors?.NEWS25: Pfizer, Moderna Stocks Jump After FDA Allows Covid Boosters For All Adults.NEWS26: Merck's (MRK) Keytruda Gets Approval for Certain RCC Patients.NEWS27: Pfizer, BioNTech COVID-19 vaccine authorized in Canada for children 5 to 11 years of age.NEWS28: Arvinas and Pfizer Announce Updated Phase 1 Dose Escalation Data for ARV-471 to be Presented in Spotlight Poster Session at 2021 San Antonio Breast Cancer Symposium.NEWS29: UPDATE 3-EU advises on Merck COVID pill as reviews rival from Pfizer.NEWS30: UPDATE 3-Canada approves Pfizer's COVID-19 vaccine for children, shipments to start immediately.NEWS31: Pfizer (PFE) Inks $5.3B COVID Pill Supply Deal With U.S..NEWS32: FDA Authorizes Pfizer and Moderna Covid-19 Vaccine Boosters for All Adults.NEWS33: COVID vaccine access: 'The global inequity is absolutely unacceptable,' doctor says.NEWS34: UPDATE 4-FDA expands COVID-19 booster shot authorization to all U.S. adults.NEWS35: U.S. to make COVID-19 booster shots available to anyone 18 or older.NEWS36: Pfizer and BioNTech Receive Expanded U.S. FDA Emergency Use Authorization of COVID-19 Vaccine Booster to Include Individuals 18 and Older.NEWS37: COVID-19 'boosters-for-all' discussion moves to CDC.NEWS38: Will Pfizer and BioNTech Win Authorization for Boosters for All Adults?.NEWS39: Can Moderna Become a $200 Billion Company in 2022?.NEWS40: Pfizer to apply for EU authorization of its COVID pill on Friday - Wirtschaftswoche.NEWS41: Pfizer Stock Leaps, Moderna Surges As FDA Approves Adult COVID Booster Shots.NEWS42: U.S. administers 446.3 mln doses of COVID-19 vaccines - CDC.
2021-11-22: NEWS1: Is Pfizer Stock A Buy After Winning Broad Covid Booster Authorization?.NEWS2: One dose of the J&J COVID-19 vaccine is ‘certainly not enough’: Doctor.NEWS3: REFILE-U.S. administers 452.6 mln doses of COVID-19 vaccines - CDC.NEWS4: Walgreens (WBA) to Offer COVID-19 Vaccine Booster Shots.NEWS5: COVID-19 cases and hospitalizations on the rise ahead of holiday gatherings.NEWS6: FDA Authorizes PFE & MRNA's COVID-19 Boosters for All Adults.NEWS7: Pfizer-BioNTech's COVID-19 Vaccine Shows 100% Effectiveness In Long Term Analysis In Adolescents.NEWS8: UPDATE 1-EU says decision on J&J COVID-19 vaccine booster dose 'within weeks'.NEWS9: Merkel Says Covid Spike ‘Worse Than Anything We’ve Seen’.NEWS10: 3 Healthcare Stocks That Are Too Cheap to Ignore.NEWS11: UPDATE 1-Pfizer's COVID-19 vaccine trial data shows long-term efficacy in adolescents.NEWS12: Pfizer and BioNTech say late-stage trial shows vaccine effective for 12- to 15-year-olds.NEWS13: Follow-Up Data From Phase 3 Trial of Pfizer-BioNTech COVID-19 Vaccine Support Safety and High Efficacy in Adolescents 12 Through 15 Years of Age.NEWS14: 3 No-Brainer Stocks to Buy With $1,000 Right Now.NEWS15: Vaccine-Makers Edge Higher as Regulators OK Boosters for All Adults.NEWS16: S&P 500, Nasdaq Hit Record High, Dow Leaps As Jerome Powell Re-Named Fed Chairman - Stock Market Live.NEWS17: Germany has enough mRNA shots to meet vaccine demand- Spahn.NEWS18: Rivian Falls Premarket; Tesla and Uber Rise.NEWS19: Tesla, Pfizer Active, German COVID Crisis, Inflation in Focus - Stock Market Live.NEWS20: Pfizer Stock Jumps On Follow-Up Data From Adolescent COVID Vaccine Trial.
2021-11-23: NEWS1: Will Pfizer ETFs Soar on Positive COVID-19 Vaccine Updates?.NEWS2: COVID-19 vaccines have ‘proved their merit at this point’: Doctor.NEWS3: Countries pushing vaccine IP waivers ‘want to take advantage of the technology’: Fmr. U.S. Commerce Secretary.NEWS4: COVID-19: The U.S. issues advisory for travel to Europe but has no plans for a lockdown.NEWS5: COVID-19: The U.S. issues advisory for travel to Europe but has no plans for a lockdown.NEWS6: Covid-19 Vaccine and Pills Will Push Pfizer’s Revenue Above $100B Next Year, Analyst Says.NEWS7: 4 Reasons Pfizer Is Now the Ultimate COVID-19 Growth Stock.NEWS8: Ukraine to buy 25 mln Pfizer vaccine doses a year over 2022-23.NEWS9: Why FDA Boosters Authorization Could Be More Important for Pfizer and Moderna Than You Might Think.
2021-11-24: NEWS1: COVID-19: ‘Vaccines absolutely decrease the risk of transmission’, doctor says.NEWS2: Pfizer sues departing employee it says stole COVID-19 vaccine secrets.NEWS3: Germany mulls a lockdown as COVID cases rise in Europe.NEWS4: Got $5,000? 2 Stocks to Buy and Hold Forever.NEWS5: Pfizer Invites Public to View and Listen to Webcast of Pfizer Discussion at Healthcare Conference.NEWS6: Pfizer (PFE) COVID Vaccine & Pill Drive Stock Up This Year.NEWS7: How This News May Represent a Crucial Test for Moderna and Pfizer.
2021-11-26: NEWS1: Covid Testing Company Says PCR Tests Are Effective Against New Covid Variant.NEWS2: Moderna to 'rapidly advance' omicron-specific COVID-19 booster candidate.NEWS3: Stock market news live updates: Wall Street rocked by new COVID variant fears, Dow plunges over 900 points.NEWS4: U.S., Canada Follow Europe on Africa Travel Ban: Virus Update.NEWS5: A New Covid Variant Is Triggering Travel Restrictions Worldwide. What to Know..NEWS6: 4 Reasons Why You Should Add Sarepta (SRPT) to Your Portfolio.NEWS7: Market strategists split on 'buying opportunity' after post-Thanksgiving selloff.NEWS8: Dow Jones Dives As New Covid Variant Emerges; Moderna Erupts; This Warren Buffett Stock Rebounds.NEWS9: Pfizer’s Pill, Shot Push Stock to Record as Variant Emerges.NEWS10: IBD Stock Of The Day Pfizer Breaks Out As Scientists Contend With New Variant.NEWS11: What the newly discovered COVID-19 variants means for investors: Stifel chief equity strategist.NEWS12: Qiagen Rises as It Reaffirms PCR Tests’ Effectiveness in Light of New Covid Variant.NEWS13: A Terrifying New Variant Could Elude Vaccines — BioNTech Won't Know For Two Weeks.NEWS14: Merck Slumps on Covid Pill’s Lower Efficacy, FDA Scrutiny.NEWS15: Merck’s Covid-19 Pill Was 30% Effective in Final Analysis, Company Says.NEWS16: Zoom, Peloton and Moderna Stocks Surge. Why the Stay-at-Home Trade Is Back..NEWS17: Vaccines 'still the backbone of everything we do' amid any variants, doctor explains.NEWS18: Market selloff: COVID-19 news 'caught people by surprise' on shortened day, strategist explains.NEWS19: Stocks fall, Merck drops on COVID-19 pill effectiveness, air travel hits pandemic high, more PPP fraud.NEWS20: Airlines and cruises take a hit, Zoom and vaccine stocks up.NEWS21: Hospital capacity is key for COVID-19 containment going forward: Oppenheimer analyst.NEWS22: 'Travel bans don't work,' doctor explains amid reports of newly discovered variant.NEWS23: Market strategist details 'the critical issue' to understand about risk from new COVID-19 variant.NEWS24: Stocks down after discovery of new COVID-19 variant.NEWS25: UPDATE 2-BioNTech says it expects more data on new variant in two weeks.NEWS26: BioNTech says expect more data on new variant in 2 weeks.NEWS27: Pfizer/BioNTech's COVID Jab Gets CHMP Nod for Kids Aged 5-11.NEWS28: Pharma Stock Roundup: FDA Nod to COVID Jab for All Adults, CHMP Nod to Shot for Kids.NEWS29: Nervy Week for Markets Ends With Wild Swings on New Covid Strain.NEWS30: Zoom Video Stock and Moderna Surge Amid New Covid-19 Variant Fears.NEWS31: With the Virus Still in Charge, Pfizer Can Be Flexible: Here's My Plan.NEWS32: Pfizer Stock Hits Record High, Moderna Surges On New Covid Variant Discovery.NEWS33: American Airlines, Goldman Sachs, Exxon Mobil Fall Premarket; Peloton, Zoom Rise.NEWS34: Merck Gives Up Gains Ahead of FDA Review of Covid-19 Pill.NEWS35: Pfizer Stock Leaps, Moderna Surges On New Covid Variant Discovery.NEWS36: Covid Variant Slams Stocks, Black Friday Clouded By Concerns - 5 Things You Must Know.

Answer: Decrease