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:2020-09-23, Stock:PFE, The news for the past five days is as follows:
2020-09-16: NEWS1: Pfizer Vaccine Business Much More Than Covid-19.NEWS2: U.S. Cases Rise 0.4%; California’s Outbreak Easing: Virus Update.NEWS3: Johnson & Johnson stock falls Wednesday, still outperforms market.NEWS4: Coronavirus Vaccine Trial Adverse Event Was Probably Unrelated to Treatment.NEWS5: Lilly and Pfizer Are Testing Treatments for Hospitalized Covid Patients.NEWS6: How Pfizer Plans to Lead the Industry in Gene Therapies.NEWS7: BioNTech Gets New Funding for Coronavirus Vaccine Development.NEWS8: This 3-Stock Portfolio Is a Safe Bet on a Coronavirus Vaccine.NEWS9: Pfizer Says Its Covid Vaccine Is Just the First in a New Wave of Preventives.NEWS10: Turkey begins Phase III trials of Chinese coronavirus vaccine - media.NEWS11: Pfizer Says COVID-19 Vaccine Only Showed Moderate Side-Effects In Initial Late-Stage Trials.NEWS12: Philippines says engaging Western pharma firms, despite Duterte anger.NEWS13: Pfizer says late-stage coronavirus vaccine study shows moderate side effects.NEWS14: Trump says coronavirus vaccine could be weeks away - ABC News town hall.
2020-09-17: NEWS1: EXPLAINER-When will COVID-19 vaccines be generally available in the U.S.?.NEWS2: Moderna Shares the Latest on its Coronavirus Vaccine Trial and Other Research Advances.NEWS3: Economic recovery won’t come until we get Americans to feel safe: Ric Edelman.NEWS4: Infectious Diseases Physician on COVID-19 vaccine outlook: 'It’s less about what’s the exact date, but making sure it’s effective'.NEWS5: Johnson & Johnson stock underperforms Thursday when compared to competitors.NEWS6: BioNTech Buys a Plant to Manufacture Its Coronavirus Vaccine.NEWS7: Moderna Updates Progress On Covid-19 Vaccine, Eyes Flu Vaccine.NEWS8: FOCUS-Pfizer vaccine trial bets on early win against coronavirus, documents show.NEWS9: Moderna Is Showing Off Its Research Advances. Its Stock Is Falling Anyway..NEWS10: Race for a COVID-19 vaccine continues, here's what you need to know.NEWS11: Mylan/Pfizer's Upjohn Unit Merger on Track to Close in Q4.NEWS12: 3 Reasons Why You Probably Won't Receive a Coronavirus Vaccine Shot by the End of 2020.NEWS13: Moderna to seek limited emergency use of COVID-19 vaccine if data shows high efficacy.NEWS14: Moderna would seek limited emergency use of COVID-19 vaccine based on early data.NEWS15: Here's the Company That Bill Gates Thinks Is the Clear Coronavirus Vaccine Leader.NEWS16: BioNTech CEO expects vaccine can be fridge-stored for two weeks.
2020-09-18: NEWS1: Is Pfizer Stock a Buy Right Now? This Is What You Need to Know.NEWS2: Bristol Myers' Opdivo with Exelixis drug cuts kidney cancer death risk -study.NEWS3: ‘We have to continue to be really, really vigilant’ in maintaining our health infrastructure: Dr. Amesh Adalja.NEWS4: MEDIA-Business chiefs push Cuomo, de Blasio to bolster NYC After COVID-19 pandemic- Bloomberg News.NEWS5: Johnson & Johnson stock outperforms competitors on strong trading day.NEWS6: EXPLAINER-When will COVID-19 vaccines be generally available in the U.S.?.NEWS7: Three-quarters of Americans are worried about the vaccine rush: Pew.NEWS8: Novavax Stock Is a Risky Way to Get Rich Quick.NEWS9: iBio Is a Wishful Thinkers Coronavirus Vaccine Bet.NEWS10: Why Pfizer Is Seriously Mispriced.NEWS11: Pharma Stock Roundup: AZN, LLY & PFE's Coronavirus Updates, MRK's New Cancer Deals.NEWS12: EXPLAINER-When will COVID-19 vaccines be generally available in the U.S.?.NEWS13: Unusual Options Activity Insight: Pfizer.NEWS14: Why Novartis’ Absence From the Covid-19 Vaccine Race Is a Benefit.NEWS15: Is Sorrento Stock Really Worth the Speculation?.NEWS16: Moderna CEO downplays vaccine timeline pressure: 'We don't want the first, we want the best'.NEWS17: 3 Dividend Stocks Perfect for Retirees.NEWS18: 3 Coronavirus Vaccines in Phase 3 Clinical Studies: How They Stack Up Against Each Other.NEWS19: BioNTech Investor Fortunes Rise and Fall on Headlines, Pacts and Funding.NEWS20: BAVENCIO Pivotal Phase III JAVELIN Bladder 100 Results Published in The New England Journal of Medicine.NEWS21: BAVENCIO Pivotal Phase III JAVELIN Bladder 100 Results Published in The New England Journal of Medicine.NEWS22: PRESS DIGEST- New York Times business news - Sept. 18.NEWS23: Pfizer vaccine trial bets on early win against coronavirus, documents show.
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.

Answer: Decrease