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:2019-09-16, Stock:PFE, The news for the past five days is as follows:
2019-09-09: NEWS1: After Hours Most Active for Sep 9, 2019 :  CSCO, CY, CMCSA, COG, SBBP, LYFT, T, ELAN, WBA, PFE, HES, MS.NEWS2: After Hours Most Active for Sep 9, 2019 :  CSCO, CY, CMCSA, COG, SBBP, LYFT, T, ELAN, WBA, PFE, HES, MS.NEWS3: Amarin: Keep Your Dry Powder Ready.NEWS4: Amarin: Keep Your Dry Powder Ready.NEWS5: Health Care Sector Update for 09/09/2019: ACAD, AXNX, AMGN, JNJ, PFE, ABT, MRK.NEWS6: Health Care Sector Update for 09/09/2019: ACAD, AXNX, AMGN, JNJ, PFE, ABT, MRK.NEWS7: Stocks To Buy: Is It Time To Buy Or Sell These Large-Cap Stocks?.NEWS8: Pfizer Announces Positive Preliminary Results from a Proof-of-Concept Phase 2 Study (B7471003) of its 20-Valent Pneumococcal Conjugate Vaccine Candidate Being Investigated for the Prevention of Invasive Disease and Otitis Media in Healthy Infants.
2019-09-10: NEWS1: Pfizer's Pneumococcal Vaccine Shows Potential in Infants.NEWS2: Pfizer (PFE) Outpaces Stock Market Gains: What You Should Know.NEWS3: Pelosi Drug Pricing Plan Puts Big Pharma In 2020 Election Hot Seat.NEWS4: ACADIA Surges on Early Success of Nuplazid Dementia Study.NEWS5: Aveo CEO says new data eases concerns about troubled kidney cancer drug.NEWS6: 10 Healthcare Stocks to Buy Despite the Headlines.NEWS7: Merck, Pfizer Slide on Pelosi’s ‘Scary’ Drug-Pricing Plan.NEWS8: Health Care Sector Update for 09/10/2019: CANF, MNK, MESO, JNJ, PFE, MRK, ABT, AMGN.NEWS9: Health Care Sector Update for 09/10/2019: CANF, MNK, MESO, JNJ, PFE, MRK, ABT, AMGN.NEWS10: What To Make of Roche's Drugs With $21 Billion In Sales Nearing Patent Expiry?.NEWS11: What To Make of Roche's Drugs With $21 Billion In Sales Nearing Patent Expiry?.NEWS12: Bristol-Myers Squibb's Revenues: How Does Bristol-Myers Squibb Make Money?.NEWS13: Bristol-Myers Squibb's Revenues: How Does Bristol-Myers Squibb Make Money?.
2019-09-11: NEWS1: 5 Companies Growing Earnings.NEWS2: Dow Jones Today: Plenty of Good News.NEWS3: Leaner Pfizer Positioned to Boost R&D Output.NEWS4: 4 Big Drugmakers Boasting Impressive Oncology Pipelines.NEWS5: Merck KGaA lung cancer drug is 3rd on U.S. watchdog's priority lane.NEWS6: Pfizer's Pneumococcal Vaccine Shows Potential in Infants.NEWS7: Pfizer's Pneumococcal Vaccine Shows Potential in Infants.
2019-09-12: NEWS1: Gilead Tops List of Most Innovative Drug Companies.NEWS2: Noteworthy ETF Outflows: XLV, UNH, MRK, PFE.NEWS3: Noteworthy ETF Outflows: XLV, UNH, MRK, PFE.NEWS4: 3 Large-Cap Healthcare Stocks Recently Hitting All-Time Highs: Are They Buys?.NEWS5: 3 Large-Cap Healthcare Stocks Recently Hitting All-Time Highs: Are They Buys?.NEWS6: Merck & Company, Inc. (MRK) Ex-Dividend Date Scheduled for September 13, 2019.NEWS7: Merck & Company, Inc. (MRK) Ex-Dividend Date Scheduled for September 13, 2019.
2019-09-13: NEWS1: Pharma Stock Roundup: Pipeline/Regulatory Updates From GSK, PFE & Others.NEWS2: Renal Cell Carcinoma Space in Focus: Some Key Developments.

Answer: Decrease