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:2020-09-28, Stock:PFE, The news for the past five days is as follows:
2020-09-21: NEWS1: Pfizer (PFE) Dips More Than Broader Markets: What You Should Know.NEWS2: Covid Report: AstraZeneca Now Seen As Lagging In Vaccine Race.NEWS3: Johnson & Johnson stock falls Monday, underperforms market.NEWS4: Column: Did drug makers really stand up to Trump over those 'Trump card' discounts? Doubtful.NEWS5: Anticancer Drug Team-Ups Show Promise. 4 Stocks That Stand to Gain..NEWS6: Trump suggests Pfizer could win U.S. COVID-19 vaccine approval, JNJ to come later.NEWS7: Normality could return in summer 2021 if vaccine succeeds - UK health minister.NEWS8: Pfizer Reveals Efficacy Criteria For Key Covid-19 Vaccine Trials.
2020-09-22: NEWS1: Everything you need to know about what it would take for the FDA to approve a COVID-19 vaccine.NEWS2: Johnson & Johnson stock underperforms Tuesday when compared to competitors.NEWS3: This Profitable IPO Has Soared In Value Ahead Of Pricing, Debut.NEWS4: Axsome Expedites Development Plan for Narcolepsy Candidate.NEWS5: 4 Biotechs That Have More Than Doubled Thanks to Coronavirus.NEWS6: Pfizer Invites Public to View and Listen to Webcast of October 27 Conference Call with Analysts.NEWS7: India's Serum Institute starts manufacturing Codagenix's potential COVID-19 vaccine.NEWS8: Why Pfizer's Latest Big Win Makes It an Even Better Buy for Retirees.
2020-09-23: NEWS1: The Covid-19 Vaccine Candidates That Are Now in Phase 3 Trials.NEWS2: Johnson & Johnson stock outperforms competitors on strong trading day.NEWS3: Johnson & Johnson Is Latest To Start Final-Phase Testing For Covid-19 Vaccine.NEWS4: GoodRx IPO Surges; Drug Shopping App Value Soars To $19 Billion.NEWS5: EU close to concluding preliminary talks with Novavax on COVID vaccine supply - source.NEWS6: Javelin Biotech Aims to Develop Industry-Leading &quot;Organ-on-a-Chip&quot; Predictive Pharmacokinetics Platform in Collaboration with Pfizer Inc..NEWS7: FDA commissioner: It's up to drug makers developing vaccines to seek approval or EUA.NEWS8: Fauci predicts U.S. will know if COVID-19 vaccines are effective by &quot;November or December&quot;.NEWS9: J&J Launches Trial of Single-Dose Covid Vaccine. Results Could Come Quicker Than You Think..NEWS10: MediciNova Stock Spikes on Coronavirus-Vaccine Progress.NEWS11: GoodRx IPO Prices High At $33; Profitable Drug Shopping Site Stock Set To Debut.NEWS12: Here's My Top Coronavirus Vaccine Stock to Buy.NEWS13: FDA Accepts Supplemental New Drug Application for Pfizer’s XALKORI® (crizotinib) for the Treatment of Pediatric ALK-positive Anaplastic Large Cell Lymphoma.NEWS14: J&J kicks off final study of single-shot COVID-19 vaccine in 60,000 volunteers.NEWS15: 3 Safe Coronavirus Stocks to Buy Ahead of a Market Crash.NEWS16: 2 High-Yield Dividend Stocks I'd Buy Right Now.
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.

Answer: Rise