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:2021-06-29, Stock:PFE, The news for the past five days is as follows:
2021-06-22: NEWS1: CORRECTED-UPDATE 2-AstraZeneca, Pfizer vaccines effective against Delta COVID-19 variants-study.NEWS2: Less Turbulence Ahead for Spirit AeroSystems.NEWS3: BioNTech to look into possible dividend next year.NEWS4: Switzerland recommends 12-15 year olds get Pfizer/BioNTech COVID-19 shot.NEWS5: New research says Pfizer and Moderna's mRNA vaccines don't affect sperm parameters.NEWS6: CDC committee to discuss rare cases of myocarditis occurring in people who have gotten their COVID-19 shots.NEWS7: GSK- Pfizer's ViiV To Develop 'Ultra-Long-Acting' HIV Drugs With $215M Halozyme Deal.NEWS8: ViiV Healthcare and Halozyme enter global collaboration and license agreement for ENHANZE® drug delivery technology to enable development of "ultra long-acting" medicines for HIV.
2021-06-23: NEWS1: Why Moderna and BioNTech Stocks Slipped Today.NEWS2: Vaccine Stocks Dive As CDC Finds 'Likely Association' Between Covid Shots, Heart Inflammation.NEWS3: Is Pfizer Stock A Buy As It Eyes $26 Billion In Full-Year Covid Vaccine Sales?.NEWS4: NIH begins clinical trial testing COVID-19 vaccine in pregnant women.NEWS5: IBD/TIPP Poll: Most Americans Support Covid Vaccine Passports — But Will Pfizer, Moderna Benefit?.NEWS6: ‘Vaccination is very effective against the Delta variant’: Doctor.NEWS7: UPDATE 4-FDA to add warning about rare heart inflammation to Pfizer, Moderna vaccines.NEWS8: Warren Buffett Donating $4.1 Billion of Berkshire Stock to Five Foundations.NEWS9: Warren Buffet Donating $4.1 Billion of Berkshire Stock to Five Foundations.NEWS10: Pfizer argues its case in federal court for helping seniors meet drug copays.NEWS11: U.S. panel to review heart inflammation cases after Pfizer, Moderna vaccines.NEWS12: First Participant Dosed in Pfizer’s Pivotal Phase 3 TALAPRO-3 Combination Study of Talazoparib and Enzalutamide in Metastatic Castration-Sensitive Prostate Cancer (mCSPC).NEWS13: GSK sets out plans for listing of consumer products venture.NEWS14: How Pfizer and Moderna Could Profit Big-Time From AstraZeneca's and CureVac's Challenges.NEWS15: GSK boss promises sales of £33bn in attempt to head off activist Elliot.NEWS16: Delta variant prompts Israeli rethink of quarantine waiver for COVID vaccinees.NEWS17: CDC panel finds ‘likely association’ between mRNA jabs and heart inflammation.
2021-06-24: NEWS1: UPDATE 2-Pfizer halts distribution of anti-smoking drug after finding carcinogen.NEWS2: UPDATE 1-Pfizer says COVID vaccine is highly effective against Delta variant.NEWS3: ‘Unchecked spread in the U.S. is going to lead to other problems’: Doctor.NEWS4: A Covid underclass is forming.NEWS5: Swiss health ministry data shows vaccinated people seldom hit by COVID-19.NEWS6: UPDATE 2-EU slightly cuts estimates for vaccine deliveries this year.NEWS7: Pfizer (PFE) Begins Dosing in Prostate Cancer Drugs Study.NEWS8: 2 Bargain Stocks You Can Buy Right Now.NEWS9: The CDC Isn’t Convinced Yet That Covid-19 Boosters Are Required. What It Means for Vaccine Stocks..NEWS10: Pfizer Begins Patient Dosing in Phase 3 Prostate Cancer Drug Trial.NEWS11: Pfizer Declares Third-Quarter 2021 Dividend.NEWS12: mRNA vaccine-makers’ stocks take a hit amid possible link to rare heart conditions.NEWS13: Pfizer says COVID vaccine highly effective against Delta variant.
2021-06-25: NEWS1: Booster may be needed for J&J shot as Delta variant spreads, some experts already taking them.NEWS2: It’s concerning seeing variants popping up all over the world: Doctor.NEWS3: COVID SCIENCE-Vaccine-linked heart condition tends to resolve quickly; Delta variant fuses cells to infect more efficiently.NEWS4: Zero N.J. Deaths, WHO Warns of Delta’s Surge: Virus Update.NEWS5: Coronavirus vaccine: 'We really need to step up our game,' biocontainment expert says.NEWS6: UPDATE 1-South Africa to ramp up COVID-19 vaccinations as opposition protests.NEWS7: Pfizer Stops Global Smoking Cessation Pill Distribution After Flagging Impurities: Report.NEWS8: South Africa aims to more than double daily COVID-19 vaccinations over next month.NEWS9: How the Deadly Delta Variant Could Boost Pfizer's and Moderna's COVID Vaccine Sales.
2021-06-28: NEWS1: Pfizer (PFE) Outpaces Stock Market Gains: What You Should Know.NEWS2: Full FDA approval of Pfizer’s and Moderna’s COVID-19 shots would reinvigorate the U.S. vaccination push — but it could still be months away.NEWS3: UPDATE 1-Brazil senator files criminal complaint against Bolsonaro over vaccine deal.NEWS4: U.S. to donate 1 mln doses of Pfizer's COVID-19 vaccine to Paraguay.NEWS5: It’s been a ‘very traumatic experience’ for India after second COVID-19 wave: Journalist.NEWS6: CORRECTED-COVID SCIENCE-Pandemic tied to spike in diabetes in children; type of immune response lasts months after Pfizer/BioNTech vaccine.NEWS7: Earnings Roundup: Adobe, Kroger, The Honest Company, and More.NEWS8: Delta variant is getting people in the public health world nervous: Doctor.NEWS9: FDA Revises Pfizer, Moderna COVID-19 Vaccine Sheets With Rare Heart Inflammation Warning.NEWS10: UK Study Of COVID-19 Shots Mix-Match Shows Immune Response, Can Add Flexibility To Vaccination Programs: CNBC.NEWS11: UPDATE 2-Mix-and-match approach boosts immune response of AstraZeneca shot, study finds.NEWS12: Study finds Pfizer and Moderna vaccines may offer COVID protection for years, as Australia struggles to contain delta variant.NEWS13: Intellia Stock Is Rocketing Because of a Gene-Editing Breakthrough.NEWS14: Our Top CEOs: Meet 30 Leaders Who Turned Crisis Into Opportunity.NEWS15: Gene Editing Data Look Good for Intellia. How It Made History..NEWS16: AbbVie's (ABBV) Rinvoq sNDA Decision Delayed by the FDA.NEWS17: RPT-Booster may be needed for J&J shot as Delta variant spreads, some experts already taking them.NEWS18: Could a Vaccine Warning Label Hurt Moderna and Pfizer?.

Answer: Decrease