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:2020-07-21, Stock:PFE, The news for the past five days is as follows:
2020-07-14: NEWS1: New Products, Expanded Indications Drive Sales of Top 5 Pharmas.NEWS2: Biotech ETFs to Shine on Pfizer's Coronavirus Vaccine Progress.NEWS3: Pfizer/BioNTech's Coronavirus Vaccine Gets FDA Fast Track Tag.NEWS4: Race to Coronavirus Vaccine Heats Up: 5 Stocks in Spotlight.NEWS5: FDA Aims to Fast-Track Coronavirus Vaccine: 3 Stocks in Focus.NEWS6: Why Big Pharma's $1 Billion Bet to Prevent a Bacterial Pandemic Matters for You.
2020-07-15: NEWS1: 2Q 2020: To Hell and Back.NEWS2: Moderna Inches Closer to Coronavirus Vaccine: ETFs to Shine.NEWS3: Moderna Vaccine Data Spurs Stock Market Rally.NEWS4: AstraZeneca Stock Jumps on Report of Positive Data on Covid-19 Vaccine Trial.NEWS5: Moderna Shares Soar Following Positive Data From Phase 1 Coronavirus Vaccine Study.NEWS6: Merck Is Now Pursuing Two Coronavirus Vaccines — Is Merck Stock A Buy?.NEWS7: The Zacks Analyst Blog Highlights: Pfizer, BioNTech, Moderna, Novavax and Johnson & Johnson.NEWS8: Markets Bet Big on Coronavirus Vaccine Stocks: 3 Front Runners.NEWS9: Better Coronavirus Vaccine Stock: BioNTech vs. Moderna.NEWS10: Moderna’s Covid Vaccine News Is Good. But Market-Moving Good?.
2020-07-16: NEWS1: The Zacks Analyst Blog Highlights: Moderna, BioNTech, Pfizer, GlaxoSmithKline and Sanofi.
2020-07-17: NEWS1: Big Weekly Gain For The Dow As Pfizer Advances In Coronavirus Drug Race.NEWS2: 6 Dow Stocks With Yields of 4%+.NEWS3: REFILE-BUZZ-U.S. stocks weekly: Shot in the arm.NEWS4: Why BioNTech Stock Vaulted Higher Today.NEWS5: COVID-19 spike is 'abject failure' on the part of the federal govt. Doctor.NEWS6: Race for a Covid-19 Vaccine Might Have Political Side Effects.NEWS7: Arizona Cases Rise; NYC Expects Phase 4 on Monday: Virus Update.NEWS8: Pharma Stock Roundup: J&J Q2 Earnings, FDA Approvals, Fast Track Tags & More.NEWS9: 4 Coronavirus Stocks to Watch This Summer.NEWS10: These 3 Stocks Are Still Ridiculously Cheap Right Now.NEWS11: 5 Biopharma Stocks That Are Affordable And Growing.
2020-07-20: NEWS1: Pfizer (PFE) Gains But Lags Market: What You Should Know.NEWS2: ‘The idea that we could have a vaccine widely available by early next year remains very hopeful and realistic’: Yale School of Public Health.NEWS3: Treasury yields edge up off lows on vaccine and fiscal-stimulus hopes.NEWS4: US STOCKS-Wall Street closes higher, Nasdaq sets record as potential vaccines show promise.NEWS5: Pfizer, BioNTech Rise On U.K. Supply Deal For Coronavirus Vaccine.NEWS6: Refrigerated morgue trucks, military aid arrives in Texas amid COVID-19 spike.NEWS7: Coronavirus latest: Monday, July 20.NEWS8: Investors cheer as two coronavirus vaccine candidates report T-cell responses, but findings are still early stage.NEWS9: 4 Takeaways On Pfizer's Latest Coronavirus Data.NEWS10: WRAPUP 2-Wave of promising study results raise hopes for coronavirus vaccines.NEWS11: Career Tracks: Tom Hanks Recognized As American Maritime Hero.NEWS12: US STOCKS-Tech shares lead Wall Street higher as potential vaccines show promise.NEWS13: Stocks Rise On Positive Coronavirus Vaccine News; FANG Stocks Give Nasdaq A Boost.NEWS14: AstraZeneca Vaccine Data Appear Less Competitive, Analysts Say.NEWS15: US STOCKS-S&P 500, Nasdaq rise on vaccine hopes, tech boost.NEWS16: Don't Hype the Hope for Oxford-AstraZeneca Covid Vaccine.NEWS17: Pfizer-BioNTech vaccine shows promise.NEWS18: Dow Jones Cuts 150 Point Loss As Coronavirus Stock Market Rally Continues; Pfizer Jumps On Covid-19 Vaccine News.NEWS19: Oxford University - AstraZeneca Publish Positive Coronavirus Vaccine Data in Lancet Study.NEWS20: AstraZeneca’s Covid-19 Data Look Positive, but Doesn’t Live up to Last Week’s Hype.NEWS21: US STOCKS-S&P 500 rises on optimism over COVID-19 vaccine, stimulus.NEWS22: Coronavirus Vaccine Program From Pfizer and BioNTech Reports Preliminary Success.NEWS23: Moderna Stock Is Too Expensive, Analyst Says. It’s Now 10% Cheaper..NEWS24: US STOCKS-S&P 500 gains on COVID-19 vaccine, stimulus hopes.NEWS25: Britain signs vaccine deals for 90mln doses.NEWS26: Oxford vaccine shows good response in early human trials.NEWS27: CANADA STOCKS-TSX edges higher on COVID-19 vaccine hopes.NEWS28: IBio's stock soars, but Novavax and Inovio stocks fall amid news on other COVID-19 vaccine candidates.NEWS29: UK PM Johnson says AstraZeneca vaccine trial results &quot;very positive news&quot;.NEWS30: Dow Jones Today Propped BY Pfizer-U.K. Vaccine Deal; Stocks Mixed, Quest Diagnostics In Buy Range.NEWS31: US STOCKS SNAPSHOT-S&P 500, Dow open flat as COVID-19 cases climb.NEWS32: Pfizer, BioNTech Stocks Fly On UK Supply Deal For Coronavirus Vaccine.NEWS33: Pfizer-BioNTech potential COVID-19 vaccine shows promise in additional data.NEWS34: Pfizer Gains On Deal To Supply 30 Million Coronavirus Vaccine Doses to U.K. Government, Positive Data From German Trial.NEWS35: US STOCKS SNAPSHOT-S&P 500, Dow futures turn positive on COVID-19 vaccine hopes.NEWS36: BioNTech, Pfizer shares rally on preliminary data showing T-cell response from coronavirus vaccine candidate.NEWS37: Additional data on Pfizer and BioNTech's potential coronavirus vaccine shows promise.NEWS38: CORRECTED-US STOCKS-S&P 500, Dow head lower as COVID-19 cases climb; eyes on stimulus.NEWS39: Pfizer-BioNTech Strike Deal With UK Government To Supply 30M Doses Of Coronavirus Vaccine.NEWS40: Pfizer and BioNTech Announce Early Positive Update from German Phase 1/2 COVID-19 Vaccine Study, Including First T Cell Response Data.NEWS41: Pfizer Surges On Fast Track For Coronavirus Vaccine — But Is PFE Stock A Buy?.NEWS42: AstraZeneca's shares are up 0.1% as investors prepare for vaccine data.NEWS43: Valneva eyes EU COVID-19 vaccine deal after agreeing to supply UK.NEWS44: A Big Contrarian Investor Sold Walmart, Merck and Pfizer Stock. Here’s What It Bought..NEWS45: CORRECTED-US STOCKS-Futures slip on rising virus cases; eyes on stimulus.NEWS46: Pfizer Shares Gain After Reaching Deal to Supply 30 Million Coronavirus Vaccine Doses to U.K. Government.NEWS47: UK PM Johnson: We're not there yet on COVID-19 vaccine.NEWS48: RPT-BUZZ-U.S. stocks weekly: Shot in the arm.NEWS49: U.K. signs deals with BioNTech, Pfizer, and Valneva for COVID-19 vaccines.NEWS50: Pfizer, BioNTech Ink UK Supply Deal For 30M Covid-19 Vaccine Doses.NEWS51: Britain secures 90 million possible COVID-19 vaccine doses from Pfizer/BioNTech, Valneva.NEWS52: Britain signs deals with Pfizer, BioNTech, Valneva for COVID-19 vaccines.NEWS53: Pfizer and BioNTech Announce Agreement with the United Kingdom for 30 Million Doses of mRNA-based Vaccine Candidate Against SARS-CoV-2.NEWS54: Pfizer and BioNTech Announce Agreement with the United Kingdom for 30 Million Doses of mRNA-based Vaccine Candidate against SARS-CoV-2.

Answer: Rise