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:2018-10-22, Stock:PFE, The news for the past five days is as follows:
2018-10-15: NEWS1: Invest Like Warren Buffett with These Stocks & ETF.NEWS2: Invest Like Warren Buffett with These Stocks & ETF.NEWS3: Trump&apos;s Drug-Ad Price Shaming Won&apos;t Fix the Problem.NEWS4: 3 Healthcare Stocks to Buy Amid the Carnage.NEWS5: 3 Healthcare Stocks to Buy Amid the Carnage.NEWS6: Drugmakers to disclose prices for medicines advertised on TV.NEWS7: Merck’s Operating Expenditure and Recent Developments.NEWS8: What’s Expected for Merck’s Q3 2018 Earnings.NEWS9: Merck Is Expected to Record Steady Revenue Growth in Q3.NEWS10: Dow Movers: PFE, JPM.NEWS11: Dow Movers: PFE, JPM.NEWS12: 3 Healthcare Stocks to Buy Amid the Carnage.NEWS13: Drugmakers will soon talk about price in ads — but not as explicitly as Trump administration wants.NEWS14: PFE or NVO: Which Is the Better Value Stock Right Now?.NEWS15: PFE or NVO: Which Is the Better Value Stock Right Now?.NEWS16: Health Care Sector Update for 10/15/2018: SNGX, TNDM, JNJ, PFE, ABT, MRK, AMGN.NEWS17: Health Care Sector Update for 10/15/2018: SNGX, TNDM, JNJ, PFE, ABT, MRK, AMGN.NEWS18: PFE or NVO: Which Is the Better Value Stock Right Now?.NEWS19: 2 Pharmaceutical Stocks to Buy With Dividends of 3% or Better.NEWS20: 2 Pharmaceutical Stocks to Buy With Dividends of 3% or Better.NEWS21: 2 Pharmaceutical Stocks to Buy With Dividends of 3% or Better.
2018-10-16: NEWS1: Battle brewing over TV drug ads.NEWS2: Pfizer (PFE) Gains But Lags Market: What You Should Know.NEWS3: Analyzing Nektar Therapeutics’ Operational Performance.NEWS4: What Nektar Therapeutics’ Valuation Trend Indicates.NEWS5: Government wants drug companies to disclose prices on TV ads.NEWS6: FDA approves Pfizer's drug for advanced breast cancer.NEWS7: FDA approves Pfizer's breast cancer drug.NEWS8: Drug commercials you see on TV may be overhauled.NEWS9: Should First Trust Capital Strength ETF (FTCS) Be on Your Investing Radar?.NEWS10: Should First Trust Capital Strength ETF (FTCS) Be on Your Investing Radar?.NEWS11: Health Care Sector Update for 10/16/2018: PRPO, PSTI, JNJ, PFE, ABT, MRK, AMGN.NEWS12: Health Care Sector Update for 10/16/2018: PRPO, PSTI, JNJ, PFE, ABT, MRK, AMGN.NEWS13: Should First Trust Capital Strength ETF (FTCS) Be on Your Investing Radar?.NEWS14: How Analysts View Merck Stock, Pre-Q3 Results.NEWS15: US wants drug prices in TV ads: 'Patients deserve to know'.NEWS16: US wants drug prices in TV ads: 'Patients deserve to know'.
2018-10-17: NEWS1: 2 Big Pharmas Pleased With J&J's Third-Quarter Earnings Report.NEWS2: 2 Big Pharmas Pleased With J&J's Third-Quarter Earnings Report.NEWS3: Pfizer Layoffs: Company to Offer Early Retirement Deals Ahead of Cuts.NEWS4: 2 Big Pharmas Pleased With J&J&apos;s Third-Quarter Earnings Report.NEWS5: Pfizer outlines early retirement program ahead of layoffs.NEWS6: Top Research Reports for Pfizer, Caterpillar & Charter Communications.NEWS7: Top Research Reports for Pfizer, Caterpillar & Charter Communications.NEWS8: Pfizer to cut around 2 percent of jobs through early next year.NEWS9: Pfizer to cut around 2 percent of jobs through early next year.NEWS10: Pfizer to cut around 2 pct of jobs through early next year.NEWS11: Drug giant Pfizer offers early retirement ahead of layoffs in memo to employees.NEWS12: Top Research Reports for Pfizer, Caterpillar & Charter Communications.NEWS13: See what the IHS Markit Score report has to say about Pfizer Inc..NEWS14: Pfizer (PFE) Gains But Lags Market: What You Should Know.NEWS15: Pfizer (PFE) Gains But Lags Market: What You Should Know.
2018-10-18: NEWS1: Pfizer’s Growth Rate and Estimates.NEWS2: Top-Ranked Healthcare ETFs for Long-Term Investors.NEWS3: Top-Ranked Healthcare ETFs for Long-Term Investors.NEWS4: What Are Pfizer’s Revenue Drivers?.NEWS5: Novartis Missed Revenue Estimates in Q3 2018.NEWS6: Will Pfizer hit $50? Is Cleveland-Cliffs a safe bet ahead....NEWS7: Pfizer’s Market Cap and Shareholding Pattern.NEWS8: Analyzing Pfizer’s Stock Performance in October.NEWS9: Dow stocks Pfizer and UnitedHealth could be safety plays amid market volatility.NEWS10: Pfizer Confirms to Cut Workforce by 2%.NEWS11: 5 Things You Should Know About Johnson & Johnson's Third Quarter.NEWS12: 5 Things You Should Know About Johnson & Johnson's Third Quarter.NEWS13: Is Sangamo Therapeutics Inc. a Buy?.NEWS14: Is Sangamo Therapeutics Inc. a Buy?.NEWS15: See what the IHS Markit Score report has to say about Pfizer Inc..NEWS16: Merck, Pfizer combo treatment meets main goals of kidney cancer trial.NEWS17: Is Sangamo Therapeutics Inc. a Buy?.NEWS18: Pfizer Layoffs: Company to Offer Early Retirement Deals Ahead of Cuts.NEWS19: Pfizer Layoffs: Company to Offer Early Retirement Deals Ahead of Cuts.NEWS20: Merck Says Pivotal Phase 3 KEYNOTE-426 Trial Meets Both Primary Endpoints.NEWS21: Merck Says Pivotal Phase 3 KEYNOTE-426 Trial Meets Both Primary Endpoints.
2018-10-19: NEWS1: [$$] Pain Treatment Developer Centrexion Reveals IPO Plans.NEWS2: 2 Dow Safety Stock for Volatile Market: Portfolio Manager.NEWS3: Health Care Sector Update for 10/19/2018: MACK, AVXL, CLVS, JNJ, PFE, ABT, MRK, AMGN.NEWS4: Health Care Sector Update for 10/19/2018: MACK, AVXL, CLVS, JNJ, PFE, ABT, MRK, AMGN.NEWS5: What $1,000 in Stocks Invested 10 Years Ago Would Be Worth Today.NEWS6: QIAGEN Launches QIAstat-Dx Panel in Europe, Widens Suite.NEWS7: QIAGEN Launches QIAstat-Dx Panel in Europe, Widens Suite.NEWS8: What’s Pfizer’s Current Valuation?.NEWS9: Health Care Sector Update for 10/19/2018: AVXL, VLRX, CLVS, JNJ, PFE, ABT, MRK, AMGN.NEWS10: Health Care Sector Update for 10/19/2018: AVXL, VLRX, CLVS, JNJ, PFE, ABT, MRK, AMGN.NEWS11: Pfizer’s Dividends and Earnings Quality.NEWS12: See what the IHS Markit Score report has to say about Pfizer Inc..NEWS13: Today's Research Reports on Trending Tickers: Pfizer and Novartis.NEWS14: Pfizer Reported Revenue Growth in Global Markets.NEWS15: Australian watchdog's appeal against Pfizer ruling dismissed by court.

Answer: Decrease