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:2018-12-21, Stock:PFE, The news for the past five days is as follows:
2018-12-14: NEWS1: Do Analysts See Any Upside for Ionis Stock?.NEWS2: Taking Stock of Ionis’s Performance.NEWS3: Understanding Ionis Pharmaceuticals’ Operational Performance.NEWS4: Health Care Sector Update for 12/14/2018: JNJ, KANG, AXON, PFE, ABT, MRK, AMGN.NEWS5: Health Care Sector Update for 12/14/2018: JNJ, KANG, AXON, PFE, ABT, MRK, AMGN.NEWS6: Daily Dividend Report: NLY, ABT, PFE, T, EQR.NEWS7: Daily Dividend Report: NLY, ABT, PFE, T, EQR.NEWS8: Pfizer Boosts Q1 Dividend, Launches $10 Billion Buyback as Read Says Farewell.NEWS9: Pfizer's cut-price version of Avastin wins EU panel greenlight.NEWS10: Pfizer Declares First-Quarter 2019 Dividend.NEWS11: Should You Invest in the VanEck Vectors Pharmaceutical ETF (PPH)?.NEWS12: Should You Invest in the VanEck Vectors Pharmaceutical ETF (PPH)?.NEWS13: Pfizer Receives Positive CHMP Opinion for Oncology Biosimilar, ZIRABEV™ (bevacizumab).NEWS14: Pharma Stock Roundup: AZN, RHHBY Cancer Drugs, LLY, BMY New Deals in Focus.NEWS15: Pharma Stock Roundup: AZN, RHHBY Cancer Drugs, LLY, BMY New Deals in Focus.NEWS16: Health Care Sector Update for 12/14/2018: KANG, AXON, MDCO, JNJ, PFE, MRK, ABT, AMGN.NEWS17: Health Care Sector Update for 12/14/2018: KANG, AXON, MDCO, JNJ, PFE, MRK, ABT, AMGN.NEWS18: Should You Invest in the VanEck Vectors Pharmaceutical ETF (PPH)?.NEWS19: Merck bolsters animal health unit with $2.4 bln Antelliq purchase.NEWS20: Pharma Stock Roundup: AZN, RHHBY Cancer Drugs, LLY, BMY New Deals in Focus.NEWS21: Pfizer Initiates Phase 3 Program for 20-Valent Pneumococcal Conjugate Vaccine for the Prevention of Invasive Disease and Pneumonia in Adults Aged 18 Years and Older.NEWS22: Do Analysts See Any Upside for Biogen Stock?.NEWS23: Today's Research Reports on Trending Tickers: Pfizer and Merck & Co..NEWS24: Pfizer Initiates Phase3 Program For 20-Valent Pneumococcal Conjugate Vaccine.NEWS25: Pfizer Initiates Phase3 Program For 20-Valent Pneumococcal Conjugate Vaccine.
2018-12-17: NEWS1: Pfizer (PFE) Stock Moves -1.58%: What You Should Know.NEWS2: Pfizer's (PFE) Biosimilar of Avastin Gets Positive CHMP Nod.NEWS3: Lilly (LLY) to Acquire Pain Candidate From Private Biotech.NEWS4: Lilly (LLY) to Acquire Pain Candidate From Private Biotech.NEWS5: Lilly (LLY) to Acquire Pain Candidate From Private Biotech.NEWS6: See what the IHS Markit Score report has to say about Pfizer Inc..NEWS7: Kineta Enters Research Collaboration and License Agreement with Pfizer to Develop New Cancer Immunotherapies.
2018-12-18: NEWS1: Boeing Is Still among Dow’s Best Performers despite the Sell-Off.NEWS2: TLRY Teams Up With Novartis, TLSA To Report Data In Q2, RARX Marches Ahead.NEWS3: TLRY Teams Up With Novartis, TLSA To Report Data In Q2, RARX Marches Ahead.NEWS4: Dow Movers: XOM, BA.NEWS5: Dow Movers: XOM, BA.NEWS6: Pfizer: Recent Developments and Analysts’ Recommendations.NEWS7: Pfizer Invites Public to View and Listen to Webcast of January 29 Conference Call with Analysts.NEWS8: Health Care Sector Update for 12/18/2018: LXRX, LLY, APHB, JNJ, PFE, ABT, MRK, APHB.NEWS9: Health Care Sector Update for 12/18/2018: LXRX, LLY, APHB, JNJ, PFE, ABT, MRK, APHB.NEWS10: Biotechs Were Innovators In 2018: Here Are The Top New Molecules That Were Approved.NEWS11: 3 Reasons Why Pfizer's Latest Dividend Hike Is Better Than You Might Think.NEWS12: 3 Reasons Why Pfizer's Latest Dividend Hike Is Better Than You Might Think.NEWS13: 3 Reasons Why Pfizer&apos;s Latest Dividend Hike Is Better Than You Might Think.NEWS14: Pfizer (PFE) Stock Moves -1.58%: What You Should Know.NEWS15: Pfizer (PFE) Stock Moves -1.58%: What You Should Know.NEWS16: Pfizer's (PFE) Biosimilar of Avastin Gets Positive CHMP Nod.NEWS17: Pfizer's (PFE) Biosimilar of Avastin Gets Positive CHMP Nod.
2018-12-19: NEWS1: Stocks Hit New Lows After Early Rally as Fed Hikes Key Rate.NEWS2: Health Care Sector Update for 12/19/2018: STRO,CELG,GSK,PFE,FGEN,SURF.NEWS3: Health Care Sector Update for 12/19/2018: STRO,CELG,GSK,PFE,FGEN,SURF.NEWS4: Glaxo Stock Pops On Pfizer Deal To Merge Consumer Health Units.NEWS5: GlaxoSmithKline (GSK) Stock Pops on Pfizer Joint Venture.NEWS6: GlaxoSmithKline (GSK) Stock Pops on Pfizer Joint Venture.NEWS7: US stock slump again after Fed raises interest rates.NEWS8: Stocks Dive After Early Rally as Fed Hikes Key Rate.NEWS9: Health Care Sector Update for 12/19/2018: GSK,PFE,FGEN,SURF.NEWS10: Health Care Sector Update for 12/19/2018: GSK,PFE,FGEN,SURF.NEWS11: US stock gains evaporate after Fed raises interest rates.NEWS12: Pfizer Inc. -- Moody's: Pfizer's JV formation with GSK is credit negative.NEWS13: GlaxoSmithKline, Pfizer Team Up to Form New Joint Venture.NEWS14: US stocks rise before Federal Reserve meeting; oil rebounds.NEWS15: Vertex Pharmaceuticals’ Gross Margin Trends.NEWS16: Understanding Vertex Pharmaceuticals’ Operational Performance.NEWS17: Dow Trades Higher as Wall Street's Got the Fed on Its Mind.NEWS18: Glaxo, Pfizer to merge consumer health care divisions.NEWS19: Glaxo, Pfizer to merge consumer health care divisions.NEWS20: GlaxoSmithKline to Break Up After Big Deal with Pfizer.NEWS21: ITOT, PFE, KO, PEP: ETF Inflow Alert.NEWS22: ITOT, PFE, KO, PEP: ETF Inflow Alert.NEWS23: GlaxoSmithKline, Pfizer To Merge Consumer Health Care Businesses.NEWS24: GlaxoSmithKline (GSK) Stock Pops on Pfizer Joint Venture.NEWS25: Glaxo to Split in Two Following Venture Deal with Pfizer.NEWS26: Glaxo, Pfizer to Merge Consumer Health Units, Form New JV.NEWS27: Glaxo, Pfizer to Merge Consumer Health Units, Form New JV.NEWS28: Pfizer Deal With Glaxo Shows Drug Giants Turning Back to the Lab.NEWS29: Big Pharma Cures Its Consumer Headache by Splitting Off Painkillers.NEWS30: Dow Rises Modestly as Wall Street's Got the Fed on Its Mind.NEWS31: Stocks - GE, General Mills Jump in Premarket; FedEx, Micron Tumble; Facebook Falls.NEWS32: Pfizer inks deal to bring Advil and Excedrin under one roof.NEWS33: [$$] Debt Is the Tonic in GSK and Pfizer's Big Deal.NEWS34: Health Care Sector Update for 12/19/2018: SURF, AVGR, ZIOP, JNJ, PFE, ABT, MRK, AMGN.NEWS35: Health Care Sector Update for 12/19/2018: SURF, AVGR, ZIOP, JNJ, PFE, ABT, MRK, AMGN.NEWS36: Stocks Open Higher: Fed Rate Hike Vote, A Dow Jones Merger.NEWS37: GSK, Pfizer create consumer health giant.NEWS38: Wall Street Sees Upbeat Open Amid Fresh Trade Optimism; Fed Decision Eyed.NEWS39: Wall Street Sees Upbeat Open Amid Fresh Trade Optimism; Fed Decision Eyed.NEWS40: Glaxo, Pfizer to Merge Consumer Health Units, Form New JV.NEWS41: The Zacks Analyst Blog Highlights: Walmart, Pfizer, Adobe, Johnson & Johnson and IBM.NEWS42: The Zacks Analyst Blog Highlights: Walmart, Pfizer, Adobe, Johnson & Johnson and IBM.NEWS43: US Futures in Positive Territory Amid Trade Optimism; Fed Decision Eyed.NEWS44: US Futures in Positive Territory Amid Trade Optimism; Fed Decision Eyed.NEWS45: US STOCKS-Wall Street set to open higher, Fed meeting eyed.NEWS46: Market Morning: Rate Hike Trade Guide, Mnuchin Blames HFTs, Musk Unveils Boring Hole, Facebook Claims Consent.NEWS47: Do Options Traders Know Something About Pfizer (PFE) Stock We Don't?.NEWS48: Glaxo-Pfizer Deal Creates Biggest Over-the-Counter Drug Supplier.NEWS49: Fed, Micron, Glaxo and Pfizer, FedEx and Facebook - 5 Things You Must Know.NEWS50: GSK, Pfizer to merge health care divisions.NEWS51: GSK & Pfizer to combine consumer health businesses.NEWS52: The Daily Biotech Pulse: Pfizer-Glaxo Set Up Consumer Health Care Venture, New Patent For Adamas.NEWS53: Pfizer consumer health deal will help fuel investments in pharma, vaccines, says GSK CEO.NEWS54: Pfizer consumer health deal will help fuel investments in pharma, vaccines, GSK CEO says.NEWS55: GSK CEO on Pfizer deal: Separation should happen within 3....NEWS56: Drugmaker GSK to split after striking Pfizer consumer health deal.NEWS57: [$$] European Equities Market Talk Roundup.NEWS58: Dow futures higher | Fed rate decision set | Pfizer, GSK agree to $12.7 billion deal.NEWS59: European Markets Climbed On Italian Budget Deal.NEWS60: European Markets Climbed On Italian Budget Deal.NEWS61: Drugmaker GSK to split after striking Pfizer consumer health deal.NEWS62: [$$] Pfizer and Glaxo to Combine Consumer-Health Businesses.NEWS63: Reckitt Can Still Make it to the Glaxo-Pfizer Party.NEWS64: Drugmaker GSK to split after striking Pfizer consumer health deal.NEWS65: GlaxoSmithKline, Pfizer Form Consumer Healthcare Group With $13 Billion in Sales.NEWS66: [$$] Glaxo, Pfizer to Combine Consumer-Health Businesses.NEWS67: [$$] GlaxoSmithKline, Pfizer to Create Consumer Healthcare JV.NEWS68: Pfizer and GlaxoSmithKline Announce Joint Venture to Create a Premier Global Consumer Healthcare Company.NEWS69: European Shares Rise In Cautious Trade As Italian Concerns Ease.NEWS70: European Shares Rise In Cautious Trade As Italian Concerns Ease.NEWS71: FTSE 100 Up 37 Points Ahead Of Fed Announcement.NEWS72: FTSE 100 Up 37 Points Ahead Of Fed Announcement.NEWS73: GSK, Pfizer To Combine Consumer Health Businesses Into New JV - Quick Facts.NEWS74: GSK, Pfizer To Combine Consumer Health Businesses Into New JV - Quick Facts.
2018-12-20: NEWS1: Independent Data Monitoring Committee Recommends Discontinuation of the Phase 2b STRIVE Clinical Trial of Staphylococcus aureus Vaccine Following Planned Interim Analysis.NEWS2: Commentary: GSK, Pfizer and GE shift away from diversification in latest round of health-care deals.NEWS3: British shares falter as Fed, oil play Scrooge.NEWS4: Company News For Dec 20, 2018.NEWS5: Company News For Dec 20, 2018.NEWS6: Eli Lilly and Pfizer Are Boosting Dividends.NEWS7: Health Care Sector Update for 12/20/2018: SPPI, MNKD, TLRY, BUD, PFE, JNJ, ABT, MRK, AMGN.NEWS8: Health Care Sector Update for 12/20/2018: SPPI, MNKD, TLRY, BUD, PFE, JNJ, ABT, MRK, AMGN.NEWS9: Company News For Dec 20, 2018.NEWS10: Astellas and Pfizer Announce Positive Top-Line Results from Phase 3 ARCHES Trial of XTANDI® (enzalutamide) in Men with Metastatic Hormone-Sensitive Prostate Cancer.NEWS11: Astellas and Pfizer Announce Positive Top-Line Results from Phase 3 ARCHES Trial of XTANDI® (enzalutamide) in Men with Metastatic Hormone-Sensitive Prostate Cancer.NEWS12: Do Analysts See Any Upside for Vertex Stock?.NEWS13: PRESS DIGEST - Wall Street Journal - Dec 20.NEWS14: Asian stocks sink after Wall Street dives on rate hike.NEWS15: [$$] Pfizer, Glaxo to Create Over-the-Counter Drug Giant.NEWS16: PRESS DIGEST- Financial Times - Dec 20.NEWS17: Exclusive: Big Pharma returning to U.S. price hikes in January after pause.NEWS18: [$$] Pfizer, Glaxo Strike Deal to Put Focus on Prescription Drugs.

Answer: Decrease