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:2021-09-08, Stock:PFE, The news for the past five days is as follows:
2021-08-31: NEWS1: Doctor: Pediatric hospital units are 'getting stretched' due to Delta variant.NEWS2: Vaccine Stocks Diverge; Why Moderna Might Have The Stronger Covid Shot.NEWS3: U.S. administers 370.2 mln doses of COVID-19 vaccines - CDC.NEWS4: 15 Best Pharmaceutical Stocks to Invest In.NEWS5: 5 Best Pharmaceutical Stocks to Invest In.NEWS6: 6 Best ETF Areas of August.NEWS7: Moderna’s Covid Vaccine Produces More Antibodies Than Pfizer’s, Study Shows.NEWS8: Pfizer's (PFE) Abrocitinib Betters Dupixent in Eczema Study.NEWS9: Unvaccinated Americans are ‘irresponsibly filling up our ERs and ICUs’: doctor.NEWS10: Covid-19 Booster-Shot Access May Be More Limited, CDC Committee Signals.NEWS11: Coronavirus tally: Global cases of COVID-19 top 217 million as study finds Moderna vaccine produced more antibodies than Pfizer's.NEWS12: 3 Things About Pfizer That Smart Investors Know.NEWS13: Cathie Wood Is Scooping Up Shares of These 2 Pandemic Winners. Should You?.NEWS14: Moderna's Vaccine Is Said to Create More Antibodies Than Pfizer's.NEWS15: Why Pfizer Thinks Its COVID Vaccine's Days Could Be Numbered.NEWS16: Moderna’s COVID-19 vaccine created more antibodies than Pfizer/BioNTech’s in study of vaccinated Belgian health-care workers.
2021-09-01: NEWS1: Pfizer (PFE) Stock Sinks As Market Gains: What You Should Know.NEWS2: Moderna asks FDA to evaluate COVID-19 vaccine booster candidate.NEWS3: AbbVie Stock: Why A New FDA Order Hit It Harder Than Rivals Pfizer, Lilly.NEWS4: Why AbbVie Is Down More Than 7% Today.NEWS5: UPDATE 1-U.S. administers third dose of COVID-19 vaccine to over 1 million people - CDC.NEWS6: Column: Following FDA approval of Pfizer's shot, the anti-vaccine movement cooks up new conspiracy theory.NEWS7: COVID SCIENCE-Antibody levels higher after Moderna shot; Lilly arthritis drug used with steroid cuts death risk.NEWS8: U.S. administers third dose of COVID-19 vaccine to over 1 million people - CDC.NEWS9: ‘All the teachers should be mandated now to get the vaccine’: Doctor.NEWS10: UPDATE 1-Pfizer, Merck launch new trials of oral COVID-19 drugs.NEWS11: Majority of U.S. companies may mandate COVID-19 vaccine in coming months - survey.NEWS12: J&J's (JNJ) HIV Vaccine Study in Young African Women Fails.NEWS13: COVID-19 vaccine booster shots are more complicated than they appear. Here’s why..NEWS14: COVID-19 booster shots are more complicated than they appear. Here’s why.NEWS15: 2 Dividend Growth Stocks That Could Double Their Payouts in 5 Years.NEWS16: 2 FDA officials reportedly resign over Biden administration booster-shot plan.NEWS17: Merck and Pfizer Are Testing Antiviral Pills. The Covid Battle Is Moving Beyond Vaccines..NEWS18: Merck's (MRK) Keytruda Gets Full Approval for Bladder Cancer.NEWS19: The debate over COVID-19 booster shots picks up steam. Will they be limited to certain high-risk Americans?.NEWS20: Pfizer starts dosing patients in oral COVID-19 drug trial.NEWS21: How Close Is the Moderna Vaccine to Approval? (And What Does That Mean for the Stock?).NEWS22: Why BioNTech's COVID Vaccine Is Blocked From the World's Biggest Market.
2021-09-02: NEWS1: Former Biden COVID-19 adviser calls for vaccine mandate for teens.NEWS2: FDA committee to discuss COVID-19 booster shots.NEWS3: Todos Medical launches test that measures COVID-19 antibody levels.NEWS4: U.S. administers 372.1 mln doses of COVID-19 vaccines - CDC.NEWS5: AbbVie Stock Dropped After FDA Warning. Analysts Say Selloff Is Overblown..NEWS6: Data is starting to support the need & timeline for a Covid-19 booster vaccine: Virologist.NEWS7: 5 Top-Ranked ETFs That Outperformed in August.NEWS8: FDA Will Convene Advisory Committee to Consider Pfizer Covid-19 Booster.NEWS9: Moderna (MRNA) Gives First COVID Jab Booster Data to the FDA.NEWS10: 5 Tech Stocks Leading the Latest Nasdaq ETF Rally.NEWS11: FDA Orders Warnings on Pfizer, Lilly, AbbVie JAK Drug Labels.NEWS12: 'The vaccine is our most powerful tool,' nurse stresses amid Delta variant surge.NEWS13: FDA Hits JAK inhibitors With Heart Safety, Cancer Warnings: All You Need To Know.NEWS14: Moderna Begins Submission Process for FDA Approval of Its Covid Booster Shot.NEWS15: Pfizer Announces Start of Phase 3 Clinical Trial in Adults for Its Investigational Vaccine Against Respiratory Syncytial Virus (RSV).NEWS16: Is Pfizer a Buy?.NEWS17: Taiwan gets first batch of Pfizer-BioNTech vaccines after long delay.
2021-09-03: NEWS1: 'We don’t quite know yet' if everyone will need COVID-19 booster shot: Doctor.NEWS2: Vaccine Stocks Rise Despite Pushback Threatening To Derail Booster Shot Plan.NEWS3: Wana Brands, Medicine Man Dispensaries, Colorado Health Authorities Team Up On COVID-19 Vaccination Clinics.NEWS4: U.S. administers 373.5 mln doses of COVID-19 vaccines - CDC.NEWS5: This week in Bidenomics: Delta blues.NEWS6: A large prevalence rate of the virus is going to affect everyone: Doctor.NEWS7: Vaccine Stocks Diverge As Pushback Threatens To Derail Booster Shot Plan.NEWS8: UPDATE 4-U.S. COVID-19 booster shot campaign to start with only Pfizer - source.NEWS9: Moderna says lower booster dose could free up a billion doses.NEWS10: Government health officials tell White House to scale back booster plan: report.NEWS11: 10 High Yield Monthly REIT Dividend Stocks to Buy.NEWS12: Fauci defends vaccine boosters, Moderna seeks FDA approval of booster.NEWS13: Fauci says mu variant isn’t an ‘immediate threat’ to U.S. as delta remains dominant coronavirus strain.NEWS14: Fauci says mu variant of coronavirus not an ‘immediate threat’ to U.S. as delta remains dominant.NEWS15: UPDATE 2-UK panel advise against COVID vaccines for healthy 12- to 15-year-olds.NEWS16: Pharma Stock Roundup: New Warning Order by FDA for JAK Drugs, & Pipeline Updates.NEWS17: Pfizer (PFE) Begins Study on RSV Vaccine in Older Adults.NEWS18: 10 Best-Performing Countries for COVID-19 Vaccinations.NEWS19: UPDATE 3-EU reviewing risk of rare inflammation after COVID-19 vaccinations.NEWS20: EU reviewing cases of rare body inflammation after COVID-19 shots.NEWS21: 3 Healthcare Stocks Cathie Wood Loves Right Now.NEWS22: Here's What the U.S. Booster Plan Means for Pfizer and Moderna.NEWS23: Here's the Biotech Pfizer Should Consider Acquiring Next.NEWS24: UPDATE 3-Australian PM seeks quicker reopening after COVID-19 vaccine swap with Britain.
2021-09-07: NEWS1: Doctor: 'Vaccines are the best form of protection' as U.S. hits 40M COVID-19 cases.NEWS2: 'It's game over. It's mRNA or nothing:' Expert on future of vaccines.NEWS3: 75% of U.S. adults have taken at least one dose of COVID-19 vaccine - CDC.NEWS4: ‘Vaccination is still working incredibly well as bolstering our immune response to Covid’: Doctor.NEWS5: Unvaccinated people are the majority being admitted to the hospital: University Hospital CEO.NEWS6: Vaccine Booster Will Be Ready for FDA Approval, Fauci Says.NEWS7: Morning Brief: Unemployment down and pay up, as Delta variant stalls growth.NEWS8: Here's when Pfizer Covid-19 vaccine boosters could be available.NEWS9: Normalcy delayed as Delta variant surges through the fall.NEWS10: UPDATE 3-Biden to outline plan to curb coronavirus Delta variant as cases grow.NEWS11: Pfizer Invites Public to Listen to Two Webcasts of Pfizer Discussions at Upcoming Healthcare Conferences.NEWS12: 4 Big Drugmaker Stocks to Watch Out For as Recovery Gains Steam.NEWS13: 10 Words From Dr. Fauci That Make Me Optimistic About Moderna's Booster, Even If It's Delayed.NEWS14: Covid Vaccine Efficacy Numbers, Explained.NEWS15: Moderna Stock Slips As Fauci Cautions Booster May Not Be Ready By Sept. 20 Deadline.NEWS16: Boeing Falls Premarket; AMC Entertainment, Match Group Rise.

Answer: Decrease