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:2020-10-01, Stock:PFE, The news for the past five days is as follows:
2020-09-24: NEWS1: All the Covid-19 Vaccine Candidates That Are Now in Final Trials.NEWS2: Novavax Starts a Phase 3 Trial of Its Covid-19 Vaccine.NEWS3: Johnson & Johnson stock rises Thursday, still underperforms market.NEWS4: Moderna Stock Can’t Go Much Higher—Even If It Makes a Covid-19 Vaccine.NEWS5: Moderna Analyst On 4 Coronavirus Vaccine Program Risks.NEWS6: Coronavirus update: Trump suggests he may overrule FDA vaccine approval; airlines ramp up testing.NEWS7: Current Updates On COVID-19 Vaccine.NEWS8: Moderna May Be Too Lofty, Even If It Makes a Covid-19 Vaccine, Analyst Says.NEWS9: Moderna May Be Too Lofty, Even If It Makes a Covid-19 Vaccine, Analyst Says.NEWS10: Pfizer Seeks Xalkori's Label Expansion, Gets Priority Review.NEWS11: Pharma Stock Roundup: J&J's Coronavirus Vaccine in Phase III, Other Updates.NEWS12: 4 Coronavirus Vaccine Makers Now in Phase III as J&J Begins Study.NEWS13: Pfizer Declares Fourth-Quarter 2020 Dividend.NEWS14: A List of All the Covid-19 Vaccine Candidates That Are Now in Final Trials.NEWS15: 4 Coronavirus Vaccine Stocks the Bill & Melinda Gates Foundation Is Betting On.NEWS16: IDEAYA and Pfizer Expand Clinical Trial Collaboration and Supply Agreement to Evaluate Clinical Combination of IDE196 and Crizotinib in Solid Tumors Harboring GNAQ or GNA11 Mutations.NEWS17: Pfizer partner BioNTech sees no role for its vaccine in UK challenge trial.
2020-09-25: NEWS1: Johnson & Johnson stock rises Friday, still underperforms market.NEWS2: Analyst Report: Pfizer Inc..NEWS3: There are four coronavirus vaccines in late-stage studies — here’s how they differ.NEWS4: The Zacks Analyst Blog Highlights: JNJ, Pfizer, AstraZeneca, Sanofi and GSK.NEWS5: COVID-19 trials enter late stages, here's when you should expect a vaccine.NEWS6: U.S. nears 7M coronavirus cases, big pharmaceutical companies race for a vaccine.NEWS7: Another Covid-19 Vaccine Candidate Is in the Final Stage of Testing.NEWS8: Novavax Is Starting a Phase 3 Trial of Its Covid-19 Vaccine. The Stock Is Jumping..NEWS9: Novavax Shares Surge 7% As It Begins Late-Stage COVID-19 Vaccine Trials.
2020-09-28: NEWS1: Pfizer (PFE) Gains But Lags Market: What You Should Know.NEWS2: Biotech ETFs in Focus as the COVID-19 Vaccine Race Intensifies.NEWS3: Sarepta’s First Gene-Therapy Test Patients Look Good, Two Years Out.NEWS4: U.S. FDA Approves Pfizer’s XELJANZ® (tofacitinib) for the Treatment of Active Polyarticular Course Juvenile Idiopathic Arthritis.NEWS5: Inovio Forced To Delay Planned Testing Of Covid-19 Vaccine; Stock Plummets.NEWS6: Inovio Stock Tumbles After Covid-19 Vaccine Trial Is Halted.NEWS7: Official COVID-19 death toll probably underestimates true total - WHO.NEWS8: 10 Stocks to Buy as the Health-Care Revolution Races Ahead, According to Experts.
2020-09-29: NEWS1: The Daily Biotech Pulse: FDA Nod For Pfizer, Sorrento's COVID-19 Antibody Animal Data, Orphazyme's Wall Street Debut.NEWS2: These 2 Biotech Stocks Are Winning the Coronavirus Vaccine Race.NEWS3: Pfizer's (PFE) Xeljanz Gets FDA Approval for 4th Indication.
2020-09-30: nan

Answer: Decrease