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:2020-09-15, Stock:PFE, The news for the past five days is as follows:
2020-09-08: NEWS1: Coronavirus Latest: Tuesday, September 8.NEWS2: Covid Roundup: Coronavirus Vaccine Makers Pledge To Follow Science; Sanofi Eyes Price.NEWS3: Johnson & Johnson stock outperforms market despite losses on the day.NEWS4: COVID-19 vaccine safety pledge will make 'huge difference': Doctor.NEWS5: Coronavirus update: Pharma companies pledge vaccine safety; Congress pushes for stimulus extension.NEWS6: Vaccine Politics Demand More From Big Pharma.NEWS7: Under Pressure to Deliver, 9 Covid-19 Vaccine Developers Promise Safety First.NEWS8: Nine drug companies vow that safety will be top priority for COVID-19 vaccine.NEWS9: Why Moderna Stock Is Crashing Today.NEWS10: Buy Pfizer Stock, Analyst Says. A Strong Drug Pipeline Will Outshine a Covid Vaccine..NEWS11: Biopharma CEOs pledge safety-first vaccine process.NEWS12: Sell Moderna Stock, Analyst Says, Because Covid Vaccine Competition Is Fierce.NEWS13: SVB analysts downgrade Moderna's stock, citing 'competitive pressure' from other COVID vaccine developers.NEWS14: U.S., European COVID vaccine developers pledge to uphold testing rigour.NEWS15: U.S., European COVID vaccine developers make pledge to uphold testing rigour.NEWS16: Biopharma Leaders Unite to Stand with Science.NEWS17: U.S., European COVID vaccine developers make pledge to uphold testing rigour.NEWS18: Biopharma Leaders Unite to Stand with Science.
2020-09-09: NEWS1: Report: TikTok Talking With U.S. About Ways to Avoid a Sale.NEWS2: AstraZeneca Just Sneezed. Will Other Vaccine Makers Catch Cold?.NEWS3: Pfizer (PFE) Gains But Lags Market: What You Should Know.NEWS4: Coronavirus Latest: Wednesday, September 9.NEWS5: Johnson & Johnson stock rises Wednesday, still underperforms market.NEWS6: Pfizer, BioNTech Near Covid Vaccine Deal With EU, Post Positive Trial Data.NEWS7: Coronavirus Vaccine Developers Jump As Rival AstraZeneca Pauses Trials.NEWS8: Trump Admits to Downplaying Danger of Virus, According to Reports.NEWS9: Pfizer and BioNTech to Potentially Sell 300 Million Doses of Its Coronavirus Vaccine to EU.NEWS10: Traders Are Getting Smarter About the Vaccine Race.NEWS11: Fauci Says Pause on Vaccine Trial Not Uncommon.NEWS12: My Vaccine Bet Remains on Pfizer for a Disease I Don't Wish on Anyone.NEWS13: 2 Coronavirus Treatment Stocks to Buy Right Now.NEWS14: Pfizer, BioNTech Ink Covid Vaccine Deal With EU, Post Positive Trial Data.NEWS15: Pfizer, BioNTech Rally On A Trio Of Catalysts.NEWS16: AstraZeneca’s Vaccine-Trial Pause Won’t Slow Its Rivals.NEWS17: Why AstraZeneca Briefly Lost $11.3 Billion in Market Capitalization.NEWS18: Why Trillium Therapeutics Stock Is on Fire Today.NEWS19: BioNTech, Pfizer expect clinical 'answer' on coronavirus vaccine in late October.NEWS20: Moderna, Novavax and Inovio Get Boost From AstraZeneca Coronavirus Vaccine Trial Pause.NEWS21: Is Pfizer the Best Way to Play the Coronavirus Vaccine Race?.NEWS22: Moderna, BioNTech, Pfizer stocks rally after AstraZeneca COVID-19 vaccine trial is reportedly halted.NEWS23: Pfizer and BioNTech Announce Data from Preclinical Studies of mRNA-based Vaccine Candidate Against COVID-19.NEWS24: Pfizer and BioNTech Announce Data From Preclinical Studies of mRNA-Based Vaccine Candidate Against COVID-19.NEWS25: Pfizer, BioNTech Set To Supply EU With 200M Covid-19 Vaccine Doses.NEWS26: AstraZeneca Coronavirus Vaccine Trial Pause Boosts US Rivals As Race For Treatment Pushes Drugmakers and Regulators.NEWS27: The Daily Biotech Pulse: AstraZeneca Pauses Coronavirus Vaccine Study, Trillium To Get $25M Pfizer Investment.NEWS28: FOCUS-How drugmakers can keep their pledge and still deliver an October vaccine surprise.NEWS29: 6 Companies Racing to Mass-Produce a Coronavirus Vaccine in 2021.NEWS30: Pfizer Reaches Coronavirus Vaccine Deal With EU, Eyes October Review From Regulators.NEWS31: Pfizer, BioNTech conclude talks over supplying EU with SARS-CoV-2 vaccine candidate.NEWS32: Pfizer and BioNTech to Potentially Supply the EU with 200 Million Doses of mRNA-based Vaccine Candidate Against SARS-CoV-2.NEWS33: EU concludes talks on potential vaccine from BioNTech-Pfizer.NEWS34: Pause in AstraZeneca vaccine trial not necessarily a setback, says UK health minister.
2020-09-10: NEWS1: 3 Breakout Industries With Huge Potential For Massive Gains.NEWS2: NIH launches two trials to test blood thinners in COVID-19 patients.NEWS3: Sarepta Therapeutics Stock Falls On Delay In Quest For Muscular Dystrophy Treatment.NEWS4: Covid Report: AstraZeneca Fallout Continues To Propel Moderna, Novavax Stock.NEWS5: COVID-19 vaccine doses could arrive in Canada early in 2021 -minister.NEWS6: Turkey considers allowing Phase III testing of Russia's COVID-19 vaccine.NEWS7: Regeneron’s Virus Treatment Has Probably Missed the Bus.NEWS8: Pfizer, BioNTech May Supply 200M Coronavirus Vaccine Doses in EU.NEWS9: Covid Report: AstraZeneca Fallout Continues To Propel Moderna, Novavax Stock.NEWS10: FDA Delays Start of Sarepta’s Gene Therapy Trial. That Doesn’t Faze the Stock’s Bulls..NEWS11: Pausing of AstraZeneca's Coronavirus Study Aids Pfizer, Moderna.NEWS12: Sarepta shares fall on potential regulatory delay for experimental Duchenne drug.NEWS13: Pfizer to Present Latest Scientific Advancements from Its Industry-Leading Portfolio at the ESMO Virtual Congress 2020.NEWS14: Pfizer's Latest Stealthy Move Could Help It Win the Coronavirus Vaccine Race.
2020-09-11: NEWS1: Where COVID-19 vaccines stand following AstraZeneca setback.NEWS2: Vaccine race continues, but roll out raises concerns.NEWS3: It’s Likely Too Late for Regeneron’s Virus Treatment.NEWS4: Pfizer Invites Public to Listen to Webcast of Pfizer Discussion at Healthcare Conference.NEWS5: Pharma Stock Roundup: AZN & PFE's Coronavirus Vaccine Updates & FDA Approvals.NEWS6: Philippine health ministry says no conditions set to access U.S. vaccines.
2020-09-14: NEWS1: Seattle Genetics Pact With Drug Giant Merck Sends SGEN Stock Soaring.NEWS2: US STOCKS-Wall Street closes broadly higher on deal news, vaccine hopes.NEWS3: Covid Roundup: Pfizer Widens Test; AstraZeneca Resumes Late-Stage Trial.NEWS4: Gilead, Pfizer, Eli Lilly CEOs On COVID-19 Treatments, Vaccine Development.NEWS5: GLOBAL MARKETS-Stocks rally as COVID-19 vaccines lift hope, dollar eases.NEWS6: US STOCKS-Wall Street closes broadly higher on deal news, vaccine hopes.NEWS7: GLOBAL MARKETS-COVID-19 vaccine hopes lift world stocks, dollar eases.NEWS8: Nasdaq Jumps 200 Points In Key Test Of Support; DraftKings Breaks Out; 2 Gold Stocks To Watch.NEWS9: US STOCKS-Wall Street gains 1% on deal news, vaccine hopes.NEWS10: Pfizer Says It Could Know If Its COVID-19 Vaccine Candidate Works in October.NEWS11: Philippines to prioritise coronavirus vaccine supply from Russia or China.NEWS12: US STOCKS-Wall Street climbs on mega mergers, vaccine hopes.NEWS13: Pfizer Poised for Drop After 31% Rally Amid Covid Vaccine Push.NEWS14: GLOBAL MARKETS-COVID-19 vaccine hopes lift world stocks, dollar eases.NEWS15: Pfizer says enrolled more than 29,000 people in its COVID-19 vaccine trial.NEWS16: US STOCKS-Wall Street climbs on mega mergers, vaccine hopes.NEWS17: Pfizer Seeks to Raise Coronavirus Study Enrollment Target.NEWS18: Vaxart Cleared for Phase 1 Trial of Oral Virus Vaccine Candidate.NEWS19: US STOCKS-Wall Street climbs on merger deals, vaccine hopes.NEWS20: ROCE Insights For Pfizer.NEWS21: Is Pfizer Inc. (NYSE:PFE) Trading At A 29% Discount?.NEWS22: US STOCKS-Wall Street set for higher open on M&A activity, vaccine hopes.NEWS23: Pfizer Hosts Virtual Investor Day.NEWS24: Adobe, FedEx, Lennar and Other Stocks to Watch This Week.NEWS25: US STOCKS-Futures lifted by M&A activity, vaccine hopes.NEWS26: Virus Update: Pfizer Sees Covid-19 Shot Before Year End.NEWS27: Dollar Edges Lower; Sterling Rebounds After Sharp Selloff.NEWS28: Pfizer Seeks FDA Nod To Expand Late-Stage COVID-19 Vaccine Trial.NEWS29: Oracle Chosen as Winner in TikTok Sale.

Answer: Decrease