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:2021-07-09, Stock:PFE, The news for the past five days is as follows:
2021-07-01: NEWS1: RPT-After early COVID-19 response, Australia stuck in vaccine slow lane.NEWS2: Delta variant sparks concerns, future mutations remain a threat.NEWS3: Why Spero Therapeutics Stock Is Up 15% Today.NEWS4: Is Pfizer Stock A Buy Or Sell As Officials Examine Vaccine-Linked Heart Condition?.NEWS5: 3 Big Drugmakers Likely to be in Focus in Second Half of 2021.NEWS6: The Zacks Analyst Blog Highlights: Pfizer, Qualcomm, Philip Morris International, Freeport-McMoRan and FedEx.NEWS7: ACHV: Target Up On Longer Patent Life.NEWS8: REFILE-After early COVID-19 response, Australia stuck in vaccine slow lane.NEWS9: CureVac Slumps After Confirming COVID Vaccine Candidate Only 48% Effective.
2021-07-02: NEWS1: COVID SCIENCE-Lack of side effects doesn't mean mRNA vaccine not working; mRNA shots limit breakthrough infection severity.NEWS2: Why Johnson & Johnson’s vaccine update is ‘welcome news’.NEWS3: The US is 'not even close' to having enough vaccine protection: Offit.NEWS4: Without global control of the pandemic we’re going to see new variants: Doctor.NEWS5: J&J Covid-19 Vaccine Protects Against Delta Variant, Study Says.NEWS6: 10 Best Young Stocks To Buy and Hold For 20 Years.NEWS7: How Potent Are JNJ & Other COVID-19 Jabs Against Delta Variant?.NEWS8: The Zacks Analyst Blog Highlights: Eli Lilly, Pfizer, BioNTech and Bayer.NEWS9: Is a Bigger Shake-Up at GlaxoSmithKline on the Way?.NEWS10: Is the U.S. Buying Too Many COVID Vaccine Doses?.NEWS11: Can Novavax Beat Moderna and Pfizer in Preventing Severe COVID?.NEWS12: J&J Gains As Vaccine Shows Promise Against Delta Variant.
2021-07-06: NEWS1: Campaign-finance experts unsurprised as U.S. companies resume political contributions paused after Jan. 6 insurrection.NEWS2: Delta covid-19 variant gains ground among the unvaccinated.NEWS3: 10 Psychedelic Startups Investors are Flocking To.NEWS4: South Korea Negotiating With mRNA COVID-19 Vaccine Makers To Produce Up To 1B Doses: Reuters.NEWS5: Brazil approves Sanofi Pasteur vaccine clinical trial.NEWS6: Doctor on COVID-19 recovery: ‘We can’t let down our guard’.NEWS7: Pfizer, Spero Sign Licensing Deal for SPR206 in Ex-Asia, Ex-U.S. Regions; Street Says Hold.NEWS8: Six Months After Capital Riot, Walmart, AT&T, Intel And Others Renege On Political Donations Pledge.NEWS9: UK outlines plans to end nearly all Covid restrictions by July 19.NEWS10: Why BioNTech and Moderna Stocks Are Slipping Today.NEWS11: Israel says Pfizer vaccine just 64% effective in real world as delta variant continues to spread rapidly.NEWS12: Is Array Biopharma Inc (ARRY) A Good Stock To Buy?.NEWS13: Israel Says Covid-19 Vaccine Less Effective at Preventing Delta Variant Infections, but Data Is Mixed.NEWS14: Israel says Pfizer's COVID-19 shot is 64% effective against the infections from the delta variant.NEWS15: South Korea Discussing Vaccine Production with Moderna – Report.NEWS16: EU clears AstraZeneca's $39bn takeover of rare disease specialist Alexion.NEWS17: BionTech, Pfizer Slips As Study Points To Shots Losing Effectiveness.
2021-07-07: NEWS1: ’People will start to get sick and die again if we don’t get vaccinated’: Doctor.NEWS2: Biotech Stock Roundup: ALEC Surges on Deal With GSK, CVAC Down on Study Results & More.NEWS3: Certain European Countries Order 40M Additional J&J COVID-19 Jabs: Reuters.NEWS4: Why Moderna Stock Is Falling Today.NEWS5: Company News for Jul 7, 2021.NEWS6: 25 Highest Asthma Rates in the US by City.NEWS7: Could Pfizer and Moderna Now Face Their Second-Worst Scenario?.NEWS8: Havens in Demand as Deutsche Bank Sees Balance of Risks Shifting.NEWS9: New Zealand approves use of J&J coronavirus vaccine.
2021-07-08: NEWS1: Pfizer and BioNTech Plan to Seek FDA Approval for Covid-19 Booster.NEWS2: Pfizer and BioNTech to develop booster vaccine for delta variant.NEWS3: Asian Stocks Down, COVID Variants Continue to Spread.NEWS4: UPDATE 3-Pfizer, BioNTech to seek authorization for COVID booster shot as Delta variant spreads.NEWS5: Pfizer to ask FDA to authorize booster dose of COVID vaccine as Delta variant spreads.NEWS6: Japan declares state of emergency amid covid-19 uptick.NEWS7: Collaboration Between AbbVie, Biogen and Pfizer Creates World’s Largest Browsable Resource Linking Rare Protein-Coding Genetic Variants to Human Health and Disease.NEWS8: Israel said the delta variant is making Pfizer’s COVID-19 shot less effective. Medical experts say it’s too soon to worry..NEWS9: Doctor: ‘If you are unvaccinated you are at risk’.NEWS10: Is Pfizer Stock A Buy Or Sell As Officials Examine Vaccine-Linked Heart Condition?.NEWS11: Vaccine mandates would prompt holdouts to get vaccinated: Doctor.NEWS12: Aflac CEO: ‘Let politics fall where they may’ on racial justice.NEWS13: Aflac’s duck commercials ‘doubled its business in three years’: Dan Amos.NEWS14: Vaccine Stocks Fall as Delta Becomes Dominant Variant in US.NEWS15: Influencers with Andy Serwer: Dan Amos.NEWS16: Vaccine Maker AstraZeneca’s Strong Drug Pipeline Could Lift the Stock Higher for Years.NEWS17: How Delta variant forced Israel to rethink its Covid strategy.

Answer: Rise