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:2018-12-19, Stock:PFE, The news for the past five days is as follows:
2018-12-12: NEWS1: 5 Pharma Stocks That Could Cure Ailing Portfolios in 2019.NEWS2: 5 Pharma Stocks That Could Cure Ailing Portfolios in 2019.NEWS3: 3 Stocks That Could Help You Send Your Kids to College.NEWS4: 3 Stocks That Could Help You Send Your Kids to College.NEWS5: Pfizer's (PFE) Shares Drop on Rating Downgrade by JP Morgan.NEWS6: Pfizer's (PFE) Shares Drop on Rating Downgrade by JP Morgan.NEWS7: Health Care Sector Update for 12/12/2018: SGYP, NBIX, MRNS, JNJ, PFE, MRK, ABT, AMGN.NEWS8: Health Care Sector Update for 12/12/2018: SGYP, NBIX, MRNS, JNJ, PFE, MRK, ABT, AMGN.NEWS9: 5 Bargain Dividend Stocks to Buy Now.NEWS10: Pfizer's (PFE) Shares Drop on Rating Downgrade by JP Morgan.NEWS11: 3 Stocks That Could Help You Send Your Kids to College.NEWS12: Report: Developing Opportunities within Pfizer, Bed Bath & Beyond, Vishay Intertechnology, Cloudera, Markel, and QTS Realty Trust — Future Expectations, Projections Moving into 2018.
2018-12-13: NEWS1: Health Care Sector Update for 12/13/2018: VBIV, AGTC, AMPE, JNJ, PFE, MRK, ABT, AMGN.NEWS2: Health Care Sector Update for 12/13/2018: VBIV, AGTC, AMPE, JNJ, PFE, MRK, ABT, AMGN.NEWS3: A Closer Look at Biogen’s Gross Margin Trends.NEWS4: Is Franklin LibertyQ U.S. Equity ETF (FLQL) a Strong ETF Right Now?.NEWS5: Is Franklin LibertyQ U.S. Equity ETF (FLQL) a Strong ETF Right Now?.NEWS6: Are You Overlooking This High-Growth Industry During Corrections and Recessions?.NEWS7: Are You Overlooking This High-Growth Industry During Corrections and Recessions?.NEWS8: Health Care Sector Update for 12/13/2018: AGTC, AMPE, VVUS, JNJ, PFE, ABT, MRK, AMGN.NEWS9: Health Care Sector Update for 12/13/2018: AGTC, AMPE, VVUS, JNJ, PFE, ABT, MRK, AMGN.NEWS10: 5 Bargain Dividend Stocks to Buy Now.NEWS11: 5 Bargain Dividend Stocks to Buy Now.NEWS12: Is Franklin LibertyQ U.S. Equity ETF (FLQL) a Strong ETF Right Now?.NEWS13: Merck & Company, Inc. (MRK) Ex-Dividend Date Scheduled for December 14, 2018.NEWS14: Merck & Company, Inc. (MRK) Ex-Dividend Date Scheduled for December 14, 2018.NEWS15: Are You Overlooking This High-Growth Industry During Corrections and Recessions?.NEWS16: Do Analysts See Any Upside for Abbott Stock?.NEWS17: Understanding Abbott Laboratories’ Operational Performance.NEWS18: Abbott Laboratories’ Gross Margin Trends.NEWS19: See what the IHS Markit Score report has to say about Pfizer Inc..
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.

Answer: Decrease