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:2021-08-11, Stock:PFE, The news for the past five days is as follows:
2021-08-04: NEWS1: UPDATE 1-Pfizer to require U.S. workers receive COVID-19 vaccine or regular tests.NEWS2: Moderna (MRNA) Option Traders Ready for Earnings Boost.NEWS3: Music events like Lollapalooza are not safe right now: Doctor.NEWS4: WHO Asks To Hold Off COVID-19 Vaccine Booster Shots Citing Inequality: Report.NEWS5: Should the Lambda Variant Worry You? Not if You’re Vaccinated..NEWS6: Why BioNTech Stock Is Jumping Today.NEWS7: Delta variant is now in 135 countries, says WHO, as director-general calls for moratorium on boosters to allow poorer countries get first doses.NEWS8: WHO urges nations to prioritize the COVAX initiative.NEWS9: UPDATE 2-Britain to offer COVID shots to all 16- and 17-year-olds.NEWS10: 10 Pharma Companies Making Treatment for Opioid Overdose.NEWS11: BioNTech, Moderna Soar As WHO Wants Nations To Hold Off Boosters.NEWS12: Pfizer Announces Positive Top-Line Results from Phase 2b/3 Trial of Ritlecitinib in Alopecia Areata.NEWS13: 1 Major Takeaway From Pfizer's Blowout Second-Quarter Results.NEWS14: Coronavirus tally: Global cases of COVID-19 near 200 million and FDA seeks full approval of Pfizer vaccine by Labor Day.NEWS15: Indonesia Becomes Second in Asia to Hit 100,000 Covid Deaths.NEWS16: Thai hospital tycoon who promised Pfizer vaccine says deal now unlikely.NEWS17: Pfizer Stock Active as Markets Steady into Jobs Data; Robinhood Extends Surge.NEWS18: UPDATE 4-Man in his 20s becomes one of Australia's youngest COVID-19 deaths.NEWS19: FDA aiming to give final approval to Pfizer vaccine by early next month: NY Times.NEWS20: FDA aims for full approval of Pfizer COVID-19 vaccine by Labor Day: report.
2021-08-05: NEWS1: Novavax data shows four-fold jump in antibody levels via booster shots.NEWS2: UPDATE 4-Moderna says COVID-19 shot maintains high efficacy through 6 months, sees eventual need for boosters.NEWS3: Coronavirus vaccine: More people vaccinated is more important than boosters, doctor says.NEWS4: Moderna CEO: Countries, not manufacturers, are responsible for WHO moratorium on boosters.NEWS5: Moderna CEO on importance of FDA approval: It's 'the credibility of our vaccine'.NEWS6: Moderna beats on earnings as vaccination push continues.NEWS7: Global tally of COVID-19 cases tops 200 million as U.S., Germany and France push back against WHO call on boosters.NEWS8: Drugs giants accused of charging NHS ‘unfairly high’ prices.NEWS9: Moderna touts its COVID vaccine's endurance and earnings that beat expectations.NEWS10: UPDATE 3-Moderna says its COVID-19 shot maintains high efficacy through 6 months.NEWS11: Delta variant is a 'wake up call', emergency physician says.NEWS12: What Really Mattered With Pfizer's Q2 Results.NEWS13: Moderna says its COVID-19 shot provides 93% immunity after six months.NEWS14: UPDATE 2-Moderna says its COVID-19 shot 93% effective six months after second dose.NEWS15: Pfizer accused of overcharging NHS for epilepsy drugs.NEWS16: Pfizer's CEO Wants to Go Shopping: 3 Potential Companies on His Radar.NEWS17: Moderna says its COVID-19 shot maintains high efficacy through 6 months.NEWS18: Moderna says its COVID-19 shot remains 93% effective 4-6 months after second dose.NEWS19: Is BioNTech Contradicting Pfizer About the Need for Booster Doses?.NEWS20: Pfizer's (NYSE:PFE) Returns are Boosted by the Vaccine. The Long Term Future is Uncertain.NEWS21: UPDATE 3-Pfizer epilepsy drug prices were 'unfairly high,' UK review finds.NEWS22: Pfizer epilepsy drug prices were 'unfairly high,' UK review finds.NEWS23: ICU Medical, inc (ICUI) Q2 2021 Earnings Call Transcript.
2021-08-06: NEWS1: Novavax CEO explains delay in COVID-19 vaccine EUA filing.NEWS2: Novavax CEO: The headline of delaying our vaccine filing in the U.S. is not accurate.NEWS3: Booster shots are an ‘ethical question’ we have to look at: Doctor.NEWS4: 10 Biotech Penny Stocks to Buy According to Reddit.NEWS5: 10 Popular Stocks to Buy Right Now.NEWS6: Moderna presses for COVID-19 boosters as federal health officials warm to an extra dose for some people.NEWS7: Pharma Stock Roundup: LLY, NVO, BAYRY Q2 Earnings, SNY's TBIO Buyout, FDA Updates.NEWS8: Novavax Tanks As It Delays Seeking Emergency Use OK For Covid Shot.NEWS9: Booster Shots Look Inevitable. The Market May Have Priced That In..NEWS10: Why COVID Vaccines for Younger Kids Won't Win Authorization as Soon as Expected.NEWS11: CORRECTED-UPDATE 2-South African study shows high COVID protection from J&J shot.
2021-08-09: NEWS1: What to know about kids returning to school amid the Delta variant's spread.NEWS2: 3 Vaccine Stocks for the Next Decade.NEWS3: COVID SCIENCE-Moderna may be superior to Pfizer against Delta; breakthrough odds rise with time.NEWS4: BioNTech Stock Pops On Earnings Crush, Plans To Deliver 2.2 Billion Doses.NEWS5: NYC's new vaccine mandate fuels legal debate for businesses.NEWS6: Pfizer Expects $33.5 Billion In Full-Year Covid Vaccine Sales — Is PFE Stock A Buy?.NEWS7: Pentagon to Require Covid  Vaccines For Military by Sept. 15.NEWS8: Vaccine stocks rally, DraftKings to buy Golden Nugget, Bitcoin’s weekend moves.NEWS9: COVID-19: ‘In schools we should start at least implementing a testing requirement’, doctor says.NEWS10: Gilead to require U.S. workers receive COVID-19 vaccine.NEWS11: BioNTech Stock Climbs. Earnings Blew Past Expectations..NEWS12: Were Hedge Funds Right About Pfizer Inc. (PFE)?.NEWS13: BioNTech says has supplied more than 1 billion COVID-19 vaccine doses so far.NEWS14: BioNTech Stock Pops On Earnings Crush, Plans To Deliver 2.2 Billion Doses.NEWS15: BioNTech says vaccine repeats beat devising new one for now.NEWS16: UPDATE 2-BioNTech says vaccine repeats beat devising new one for now.NEWS17: BioNTech Soars As It Says It’s Developing Updated Covid Shot For Delta.NEWS18: BioNTech says has supplied more than 1 bln COVID-19 vaccine doses so far.NEWS19: The Messenger RNA Vaccine Stocks Are the Best Investment Against COVID.NEWS20: Buying Pfizer Stock Now Could Double Your Money Within 5 Years: Here's How.NEWS21: South Korea opens COVID-19 vaccine reservations for all adults.
2021-08-10: NEWS1: Director of Vaccine Education Center: 'The governor of Florida has served as a friend of SARS-CoV-2 virus'.NEWS2: Moderna, BioNTech Record Rally Loses Steam on Biotech Rout.NEWS3: Pfizer shares hit record high with COVID-19 vaccine stocks on a tear.NEWS4: ‘Now we have to be in the business of saving and protecting lives’: CA State Superintendent of Public Instruction.NEWS5: Steel stocks hit records, Wall Street responds to COVID, Pfizer stock smashes 22-year record.NEWS6: Moderna’s stock price is ‘ridiculous,’ says BofA analyst.NEWS7: 10 Best Blue Chip Dividend Stocks Hedge Funds are Buying.NEWS8: UPDATE 1-BioNTech alone could lift German economy by 0.5% this year.NEWS9: BioNTech alone could lift German economy by 0.5% this year - economist.NEWS10: Moderna Stocks Gains on Delta Efficacy, Pentagon Vaccine Mandate Reports.NEWS11: Moderna Stocks Jumps on Delta Efficacy, Pentagon Vaccine Mandate Reports.

Answer: Decrease