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:2021-12-15, Stock:PFE, The news for the past five days is as follows:
2021-12-08: NEWS1: Oil Up as Omicron Fears Continue to Ease.NEWS2: Pfizer (PFE) Stock Sinks As Market Gains: What You Should Know.NEWS3: Moors & Cabot, Inc. Buys NVIDIA Corp, Nike Inc, Procter & Gamble Co, Sells Splunk Inc, ....NEWS4: Pfizer Says Booster Neutralized Omicron but Variant May Elude Two Doses.NEWS5: US STOCKS-Wall St closes higher as vaccine update feeds optimism.NEWS6: Why BioNTech Stock Slipped on Wednesday.NEWS7: Stock Market Today: Good News on Pfizer Vaccine Keeps Investors Feeling Rosy.NEWS8: Asian Stocks Up, China’s November Factory Gate Inflation Eases.NEWS9: Why Carnival, Royal Caribbean, and Norwegian Cruise Line Stocks Surged Today.NEWS10: Brace For Boosters: Pfizer, BioNTech Say Third Shot Needed To Tackle Omicron.NEWS11: Long-dated Treasury yields post biggest three-day rise in weeks after Pfizer/BioNTech omicron report.NEWS12: 'Vaccines are available': Doctor explains the biggest difference for second winter COVID-19 wave.NEWS13: Oil Holds Gains Near $72 as Stockpiles Dip, Omicron Fears Abate.NEWS14: COVID SCIENCE-Mixing vaccines boosts immune response; experimental saliva test nearly as accurate as PCR.NEWS15: AmericaFirst Defensive Growth Fund Buys HCA Healthcare Inc, Bio-Rad Laboratories Inc, Pfizer ....NEWS16: Investors are making one giant mistake headed into 2022: strategist.NEWS17: The stats on covid-19 vaccines, one year after the first jab was given.NEWS18: Most Treasury yields remain  higher after Pfizer/BioNTech omicron report.NEWS19: It’s a Third Dose Against Omicron, Not a Booster, BioNTech CEO Says.NEWS20: Why BioNTech Stock Is Sliding Today.NEWS21: US STOCKS-Wall Street mixed as Omicron worries cloud vaccine update.NEWS22: UPDATE 2-Act now to curb Omicron's spread, WHO's Tedros tells world.NEWS23: 10 Favorite Stocks of Cathie Wood and Ken Fisher.NEWS24: Early data indicates that boosters, at least for BioNTech and Pfizer’s COVID-19 vaccine, further protect against omicron.NEWS25: Markets Upbeat on Vaccine Efficacy Against Omicron Variant.NEWS26: WHO warns against jumping to conclusions on COVID vaccine effectiveness.NEWS27: UPDATE 1-S.African health regulator SAHPRA approves Pfizer's booster shots.NEWS28: Law firm signs big lease at Mizner Park Office Tower.NEWS29: TREASURIES-U.S. yields rise as Pfizer vaccine update dents Omicron worry.NEWS30: US STOCKS-Wall Street subdued as Omicron worries overshadow vaccine update.NEWS31: Remedies for Omicron Apparent, Markets Up Again.NEWS32: U.S. Treasury yields move broadly higher after Pfizer/BioNTech omicron report.NEWS33: Is Pfizer (PFE) A Worthy Long-Term Investment?.NEWS34: Dow Jones Rallies On Pfizer Vaccine News; Apple Hits New High, Tesla Falls Despite Strong China Sales.NEWS35: Vaccine stocks: Pfizer, Moderna rise on Omicron news, Novavax falls.NEWS36: Omicron and Fed making for 'very confusing market action,' strategist says.NEWS37: Pfizer says its COVID-19 booster protects against the Omicron variant.NEWS38: US STOCKS-Wall St set to rise after positive vaccine update from Pfizer.NEWS39: Pfizer Says 3 Doses of Its Covid-19 Vaccine Neutralizes Omicron Variant.NEWS40: Dow Jones Futures Rally On Pfizer Vaccine News; Tesla Stock Rises After China Sales.NEWS41: U.S. Treasury yields steady after Pfizer/BioNTech omicron report.NEWS42: Wall Street subdued as Omicron worries overshadow vaccine update.NEWS43: UPDATE 4-BioNTech, Pfizer vaccine neutralises Omicron with three shots.NEWS44: US STOCKS-Futures rise after positive vaccine update from Pfizer.NEWS45: Pfizer Says Three Doses of Its Covid Vaccine Neutralizes Omicron Variant.NEWS46: Pfizer, BioNTech say initial lab study showed 3 doses of COVID-19 vaccine neutralized omicron variant.NEWS47: Dow futures pick up steam early Wednesday as Pfizer/BioNTech release preliminary lab study on omicron variant.NEWS48: BioNTech, Pfizer say test shows 3 doses of vaccine neutralise Omicron.NEWS49: Pfizer and BioNTech Provide Update on Omicron Variant.NEWS50: A Year After First Covid-19 Vaccine, It’s Crunchtime for Moderna and Pfizer.NEWS51: Is Principal U.S. MegaCap ETF (USMC) a Strong ETF Right Now?.NEWS52: A Hard-Won Move Toward Equity in the Pandemic.NEWS53: Premarket Movers Wednesday - Robinhood, Stitch Fix, GameStop.NEWS54: Pfizer Stock Jumps As Drugmaker Says 3 Doses Of Covid Vaccine Neutralizes Omicron Variant.NEWS55: Pfizer Omicron Vaccine Update Lifts Dow Futures, Extends Best Rally Since March.NEWS56: Pfizer Says 3 Doses Of Comirnaty Covid Vaccine Neutralizes Omicron Variant.NEWS57: Apple, Amazon, Pfizer, Omicron and Tech Stocks - Five Things You Must Know.NEWS58: Britain marks one year since giving first Pfizer COVID-19 shot.
2021-12-09: NEWS1: Pfizer-BioNTech Covid-19 Booster Authorized for 16- and 17-Year-Olds.NEWS2: Pfizer Nabs Booster OK For Older Teens As Omicron Battle Rages; Shares Pop.NEWS3: Long-dated Treasury yields snap three day rise and drop the most in almost a week ahead of U.S. consumer price report.NEWS4: ‘The Days You Were Considered Fully Vaccinated With Two Shots Are Going to Be a Thing of the Past’.NEWS5: UPDATE 1-U.S. makes 16- and 17-year-olds eligible for COVID-19 boosters.NEWS6: Oil Drops on Broader Risk-Off Sentiment Amid Omicron Worries.NEWS7: FDA Authorizes Vaccine Boosters for 16- and 17-Year-Olds.NEWS8: EXPLAINER-Omicron vs COVID-19 vaccines: What more do we need to know?.NEWS9: Treasury yields stay mostly lower Friday’s ahead of U.S. consumer price index report.NEWS10: Astrazeneca president talks COVID-19 antibody treatment, vaccines, and Omicron.NEWS11: Should we trust what Pfizer tells us about its vaccine and omicron?.NEWS12: Omicron variant: Recent study on transmissibility is not ‘remotely conclusive,’ virologist says.NEWS13: Electric vehicle stocks sagging amid mixed market day.NEWS14: FDA Expands Emergency Use Of Pfizer/BioNTech's COVID-19 Booster To 16 Years & Older.NEWS15: India's Biocon Mulls Merger Of Biosimilar Business With Mylan: Moneycontrol.NEWS16: ETFs to Play the Reopening Trade as Omicron Fear Subsides.NEWS17: Pfizer and BioNTech Receive U.S. FDA Emergency Use Authorization of COVID-19 Vaccine Booster for Individuals 16 Years and Older.NEWS18: Why Carnival Corporation Stock Dropped Again.NEWS19: FDA authorizes BioNTech, Pfizer's COVID-19 booster for 16- and 17-year-olds.NEWS20: U.S. FDA authorizes Pfizer/BioNTech booster for 16- and 17-year-olds.NEWS21: Pfizer (PFE) COVID-19 Booster Gives Protection Against Omicron.NEWS22: Senate passes GOP bill to overturn President Biden’s vaccine mandate.NEWS23: Vaccines are the 'working seatbelts' for dealing with the Omicron coronavirus variant: Doctor.NEWS24: Treasury yields turn mostly lower Friday’s ahead of U.S. consumer price index report.NEWS25: Treasury yields turn mixed ahead of Friday’s U.S. consumer price index report.NEWS26: The Omicron variant is 4 times more transmissible than Delta: Study.NEWS27: FOREX-Euro slips, dollar rises with central banks in focus; yuan drops.NEWS28: Omicron Variant Is Four Times More Transmissible Than Delta, Japan Study Finds.NEWS29: Novartis CEO Vasant Narasimhan Sees Consistent Growth While Sitting on Cash.NEWS30: 10-and 30-year Treasury yields edge back ahead of weekly U.S. labor-market update.NEWS31: Inflation Data Lie in Wait as the Stock Market’s Next Nemesis.NEWS32: FOREX-Euro, dollar steady with Omicron fears and central bank moves in focus.NEWS33: GameStop, Lucid, Amazon Fall Premarket; CVS Health Rises.NEWS34: Japan study confirms omicron variant's high transmissibility: report.NEWS35: Stocks Gain, SEC GameStop Report, Rent The Runway IPO - 5 Things You Must Know.
2021-12-10: NEWS1: Why an FDA Panel Had Concerns About Merck's COVID-19 Pill.NEWS2: 10 Most Popular Dividend Stocks Among Famous Hedge Funds.NEWS3: Moderna’s Post-Pandemic Chapter Hangs on Yet-to-Be Proven Drugs.NEWS4: A year after first U.S. shots, pandemic hallmarks re-emerge.NEWS5: Doctor: 'We're just going to keep recycling COVID' without proper measures.NEWS6: UPDATE 2-Drugmakers aim big price hikes at U.S. patients, congressional report finds.NEWS7: RPT-Singapore approves COVID-19 vaccine for children ages 5 to 11.NEWS8: UPDATE 2-Boosters significantly restore protection vs Omicron, UK says.NEWS9: Pfizer Declares First-Quarter 2022 Dividend.NEWS10: Why BioNTech Stock Is Sinking Today.NEWS11: Singapore approves COVID-19 vaccine for children ages 5 to 11.NEWS12: 10 Pharmaceutical Stocks to Buy Based on Billionaire Ken Griffin’s Portfolio.NEWS13: Arvinas, Pfizer's ARV-471 Shows Clinical Benefit Rate Of 40% In Pretreated Breast Cancer Patients.NEWS14: Fauci says omicron-specific vaccines may not be needed, while new research indicates T-cell protection may hold up against the variant.NEWS15: Moderna stock drops after posting interim data for mRNA flu vaccine.NEWS16: European Commission Approves Pfizer’s Cibinqo® (abrocitinib) for the Treatment of Adults with Moderate-to-Severe Atopic Dermatitis.NEWS17: Omicron-Specific Booster Shots May Not Be Needed, Fauci Says.NEWS18: Pfizer, BioNTech Booster Gets FDA Nod for 16- & 17-Year Olds.NEWS19: J&J's (JNJ) COVID-19 Booster Jab Gets WHO Recommendation.NEWS20: Drugmakers aim big price hikes at U.S. patients -congressional report.NEWS21: Pharma Stock Roundup: PFE Booster Works on Omicron, AZN COVID Cocktail Gets FDA Nod.NEWS22: Dow Jones Futures: Hot Inflation Report Looms As Market Rally Hits Resistance; Elon Musk Sells More Tesla Stock.NEWS23: Arvinas and Pfizer Announce PROTAC® Protein Degrader ARV-471 Continues to Demonstrate Encouraging Clinical Benefit Rate in Patients with Locally Advanced or Metastatic ER+/HER2- Breast Cancer.NEWS24: Company Insiders Are Back in Buying Mode—Even Tesla’s Elon Musk.NEWS25: UPDATE 2-South Africa says no signal of increased Omicron severity yet.NEWS26: Dow Jones Futures: Market Rally Hits Resistance As Inflation Report Looms; Tesla Skids As Cathie Wood Says This.
2021-12-13: NEWS1: SHAREHOLDER NOTICE: Brodsky & Smith Announces an Investigation of Arena Pharmaceuticals, Inc. (Nasdaq - ARNA).NEWS2: Rentokil slumps after £5.1bn deal makes it world's biggest rat catcher - live updates.NEWS3: Why Arena Pharmaceuticals Stock Skyrocketed 80% Today.NEWS4: California Mask Rule Returns; Fidelity Office Plan: Virus Update.NEWS5: Pfizer stock closes at record after $6.7 billion takeover of Arena; deal ‘makes strategic sense to us,’ analyst says.NEWS6: Dow Jones Slips; Elon Musk Says This, Bitcoin Plunges; AMC Stock, GameStop Crater.NEWS7: Biotech Market Eyes Deals With Drugmakers Sitting on Cash.NEWS8: US STOCKS-Wall Street ends down; investors eye Omicron and Fed meeting.NEWS9: Vaccine Stocks Get A Booster As U.K. Plans Third Jab For All.NEWS10: Pfizer Stock Up, Arena Stock Soars On $6.7 Billion Merger Deal.NEWS11: CORRECTED-COVID SCIENCE-Vaccines appear weak at blocking Omicron infection; shots may reduce long COVID burden.NEWS12: Dow Jones Falls 250 Points, But JPMorgan Upgrade Lifts Coca-Cola Stock; Tesla Dives Below Key Support Level.NEWS13: US STOCKS-Wall Street falls as investors eye Omicron and Fed meeting.NEWS14: The Fed could tweak monetary policy based on Build Back Better passage, economist says.NEWS15: Pfizer Set to Acquire Arena Pharmaceuticals for $6.7 Billion.NEWS16: Omicron: We don't know the full effect of latest variant, doctor explains.NEWS17: Pfizer stock heads toward record after $6.7 billion takeover of Arena; deal ‘makes strategic sense to us,’ says analyst.NEWS18: The Omicron Variant Won’t Go Away That Easily. That’s Good News for Vaccine Stocks..NEWS19: Dow Jones Loses 350 Points As Fed Meeting Looms; EV Stocks Skid, But Covid Stocks Rally.NEWS20: ARENA PHARMACEUTICALS ALERT: Bragar Eagel & Squire, P.C. Investigates Sale of ARNA and Encourages Investors to Contact the Firm.NEWS21: US STOCKS-Wall Street falls on Omicron worries ahead of Fed meeting.NEWS22: The Zacks Analyst Blog Highlights: Pfizer, BNTX, Moderna, and J&J.NEWS23: SpringWorks (SWTX) & AbbVie Unite for Multiple Myeloma Drug.NEWS24: Coronavirus: 'We need to vaccinate the unvaccinated,' doctor urges.NEWS25: How Much Will COVID Boosters for Teens Impact Pfizer and BioNTech?.NEWS26: Pfizer to Buy Arena at 100% Premium in $6.7 Billion Deal.NEWS27: Why BioNTech, Moderna, and Novavax Stocks Are Jumping Today.NEWS28: Pfizer (PFE) Gets Approval for New Eczema Drug in Europe.NEWS29: Stock Market Starts Week Lower As Apple Nears This Major Milestone; Pfizer Makes $6.7 Bil Deal.NEWS30: US STOCKS-Wall Street edges lower on Omicron worries; Fed meeting awaited.NEWS31: Pfizer to acquire Arena Pharmaceuticals for $6.7 billion.NEWS32: Buy Pfizer Stock Because Its Covid Pill Will Be a Big Seller, UBS Says.NEWS33: COVID-19: U.S. coronavirus deaths near 800,000.NEWS34: Lucid Group Is Revving Up, but This Stock Is Monday's Big Winner.NEWS35: Analysts: Pfizer to 'capitalize' on experimental colitis treatment in Arena deal.NEWS36: US STOCKS-Wall St set to open higher as Apple leads; Fed meeting awaited.NEWS37: Fauci Says ‘Tough to Tell’ if Covid Boosters Will Be Needed Every Year.NEWS38: After Blood Cancer, Pfizer Now Bolsters Its Inflammatory Diseases Pipeline With $6.7B Arena Deal.NEWS39: 5 Top Stock Gainers for Monday as Indexes Post Losses.NEWS40: Pfizer to Buy Arena Pharmaceuticals in $6.7 Billion Deal. Arena Stock  Soars..NEWS41: 2 No-Brainer Healthcare Stocks to Buy Right Now.NEWS42: Pfizer Stock Is Upgraded to Buy at UBS on Strength of Covid Franchise.NEWS43: Pfizer to Acquire Arena Pharmaceuticals.NEWS44: Pfizer to acquire Arena Pharmaceuticals in deal valued at about $6.7 billion.NEWS45: Pfizer bets on Arena's promising bowel disease treatment in $6.7 billion deal.NEWS46: Pfizer lifted to buy at UBS, which says COVID franchise sales could hit $50 billion next year.NEWS47: Harley-Davidson, Lucid, Arena, Apple Rise Premarket.NEWS48: Pfizer To Buy Arena Pharmaceuticals in $6.7 Billion All-Cash Deal.NEWS49: Apple, Peloton, Pfizer, Omicron and Stock Markets - Five Things  You Must Know.NEWS50: Joyful moment or risky move? Europe divided over kids' vaccines.NEWS51: U.S. crosses 50 million COVID-19 cases as Delta dominates amid Omicron emergence.
2021-12-14: NEWS1: U.S. study suggests COVID-19 vaccines may be ineffective against Omicron without booster.NEWS2: Pfizer Says Its Covid-19 Pill Likely Works Against Omicron.NEWS3: UPS delivers 1 billionth COVID-19 vaccine dose.NEWS4: Is Pfizer Stock A Buy As Omicron Partially Eludes Its Covid Vaccine?.NEWS5: Day Hagan Logix Smart Value Fund Buys Werner Enterprises Inc, Landstar System Inc, FedEx Corp, ....NEWS6: U.S. FDA Approves Pfizer’s XELJANZ® (tofacitinib) for the Treatment of Active Ankylosing Spondylitis.NEWS7: 2- and 10-year Treasury yields see biggest gains in about a week as Fed meets and data highlight hot inflation.NEWS8: Mayo Clinic Director on the rise of Omicron.NEWS9: South African Study Shows Omicron Variant Could Escape Pfizer/BioNTech COVID-19 Vaccine Protection.NEWS10: QUOTEBOX-Reactions to Pfizer's COVID-19 pill showing near 90% efficacy.NEWS11: Who Has What? Omicron Raises Stakes for Quick Covid Sequencing.NEWS12: PFE vs. LLY: Which Stock Should Value Investors Buy Now?.NEWS13: Pfizer early study shows vaccine is 70% effective against Omicron variant as cases rise globally.NEWS14: Pharmacia Corporation (Old Monsanto) -- Moody's affirms Pfizer's A2 rating; revises outlook to positive.NEWS15: Pfizer’s COVID-19 antiviral proves almost 90% effective in latest trial data, as U.S. passes 50 million confirmed cases of the illness.NEWS16: SHAREHOLDER ALERT: Rigrodsky Law, P.A. Announces Investigation of Arena Pharmaceuticals Inc. Buyout.NEWS17: UPDATE 1-Higher risk of heart complications from COVID-19 than vaccines -study.NEWS18: Are These Medical Stocks Undervalued Right Now?.NEWS19: Company News for Dec 14, 2021.NEWS20: Treasury yields edge higher as Fed meeting gets underway and report shows U.S. inflation worsening.NEWS21: Pfizer finds COVID pill 89% effective, some hospitals drop vaccine mandates amid labor shortage.NEWS22: Does PFE, ARNA Deal Signal Robust Pharma M&A Activity in 2022?.NEWS23: Pfizer (PFE) to Buy Arena, Boost Immuno-Inflammatory Pipeline.NEWS24: Pfizer Stops 70% Omicron Hospitalizations in South Africa Study.NEWS25: Pfizer Confirms Its Covid Pill Reduces the Risk of Hospitalization or Death by Nearly 90%.NEWS26: Swiss to start Pfizer/BioNTech jab for children aged 5-11 in January.NEWS27: Final Data Reaffirms Efficacy Of Pfizer's COVID-19 Antiviral Treatment.NEWS28: UPDATE 3-Pfizer says COVID-19 pill near 90% protective against hospitalization, death.NEWS29: Pfizer Announces Additional Phase 2/3 Study Results Confirming Robust Efficacy of Novel COVID-19 Oral Antiviral Treatment Candidate in Reducing Risk of Hospitalization or Death.NEWS30: UPDATE 5-Pfizer shot less effective in South Africa after Omicron emerges - study.NEWS31: Pfizer vaccine protecting against hospitalisation during Omicron wave - study.NEWS32: Pfizer Weaker Amid Mixed News on Vaccine, Covid Pill.NEWS33: 7 Companies Owned by PFE.

Answer: Rise