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:2021-07-30, Stock:PFE, The news for the past five days is as follows:
2021-07-23: NEWS1: Doctor on the Olympics regarding COVID-19: ‘There are a lot of concerns’.NEWS2: 10 Best Dividend Contenders to Buy in 2021.NEWS3: This is the tipping point for when people vaccinated against COVID-19 should mask up again indoors.NEWS4: Booster Shots Seem More Likely. Israeli Data Show Delta Variant’s Risks..NEWS5: Pfizer vaccine 39% effective against Delta variant, NFL COVID outbreaks, Kanye West debuts new 'Donda' album.NEWS6: Arvinas (ARVN), Pfizer Team up for Breast Cancer Therapy.NEWS7: Will Pfizer (PFE) Beat Expectations This Earnings Season?.NEWS8: Why This Company’s Covid-19 Vaccine Is Just the Beginning.NEWS9: Pfizer and BioNTech to Supply U.S. With 200 Million COVID Shots.NEWS10: EU Drugs Regulator Recommends Moderna Shot for Teenagers.NEWS11: UPDATE 1-Spacing Pfizer COVID shots boosts antibody levels in long-term study.NEWS12: Pharma Stock Roundup: JNJ, NVS Q2 Earnings, PFE, ABBV, LLY & MRK FDA Updates.NEWS13: UPDATE 4-United States buys 200 mln more doses of Pfizer/BioNTech COVID-19 vaccine.NEWS14: Pfizer and BioNTech to supply U.S. govt with additional 200 million doses of COVID-19 vaccine.NEWS15: Pfizer says U.S. govt buys 200 mln more doses of COVID-19 vaccine.NEWS16: Pfizer and BioNTech to Provide U.S. Government with an Additional 200 Million Doses of COVID-19 Vaccine to Help Meet Continued Need for Vaccine Supply in the U.S..NEWS17: Is It Too Late to Buy Moderna Stock?.NEWS18: Why BioNTech, Moderna, and Novavax Stocks Soared This Week.NEWS19: Can Today's Vaccines Beat the Delta Variant?.NEWS20: Japan PM seeks faster COVID vaccine delivery from Pfizer- media.NEWS21: Pfizer's Inc. (NYSE:PFE) Dividend is Depending on Vaccine Booster Shots.NEWS22: US buys 200m Pfizer jabs for children and possible boosters.NEWS23: US seals deal for another 200m doses of Pfizer’s Covid vaccine.
2021-07-26: NEWS1: Moderna expanding children’s COVID-19 vaccine study to better assess safety.NEWS2: Doctor on COVID-19 vaccination: ‘Too little too late, better late than never, if anything it all counts’.NEWS3: Ocugen CEO on vaccine hesitancy in the U.S..NEWS4: Vaccination hesitancy amid Delta variant is putting two groups of people at particular risk, doctor says.NEWS5: UPDATE 1-Moderna in talks with FDA to expand COVID-19 vaccine pediatric study.NEWS6: FDA asks Pfizer and Moderna to expand COVID-19 vaccine pediatric studies- NYT.NEWS7: UPDATE 1-Israel weighing COVID booster shots for over 60s before FDA approval.NEWS8: Covid Boosters Are Coming This Year for People 50 and Older, Citi Analyst Predicts.NEWS9: Israel weighing COVID booster shots for over 60s before FDA approval.NEWS10: Pfizer and Moderna Urged to Expand COVID Vaccine Studies of Children 5 to 11.NEWS11: Here's Why the Bad News About the Pfizer Vaccine Isn't So Bad.NEWS12: Is It Too Late to Buy Novavax Stock?.NEWS13: Mixed AstraZeneca-Pfizer shot boosts COVID antibody level - study.NEWS14: Arvinas, Inc. (ARVN) Moves 13% Higher: Will This Strength Last?.NEWS15: S.Korea starts vaccination for 55-59 age group as COVID-19 caseloads remain high.
2021-07-27: NEWS1: CDC urges some vaccinated to wear masks again.NEWS2: CDC: Vaccinated Americans should start wearing masks again indoors in areas with high COVID-19 transmission rates.NEWS3: ‘There’s a great opportunity that we’ll have another variant’: Doctor.NEWS4: Why Earnings Season Could Be Great for Pfizer (PFE).NEWS5: Pfizer Earnings: What to Look For From PFE.NEWS6: Drug/Biotech Stock Earnings on Jul 28: PFE, GSK, BMY, BMRN & TLRY.NEWS7: Argentina signs deal with Pfizer for 20 mln COVID-19 vaccine doses, minister says.NEWS8: 200 Million More Reasons to Buy Pfizer Stock.NEWS9: EU says it is on track for 70% vaccination target by end summer.NEWS10: UPDATE 2-Antibodies from Sinovac's COVID-19 shot fade after about 6 months, booster helps - study.NEWS11: BioNTech CEO Says Vaccine Is Growing Less Effective, but Still Prevents Severe Disease.
2021-07-28: NEWS1: Why BioNTech Stock Shot Higher on Wednesday.NEWS2: Why Pfizer Shot Higher Today.NEWS3: Pfizer Stock Lingers In Breakout Territory After Hiking Its Covid Vaccine Outlook.NEWS4: Why Moderna Stock Jumped Today.NEWS5: Pfizer authorizes $1 billion for oral COVID-19 treatment, CEO says.NEWS6: Pfizer: 'No issues' in testing for COVID-19 kid vaccine as Delta variant rises.NEWS7: Integra's Update On FY21 Acell Revenues To Weigh On Stock, Piper Sandler Says.NEWS8: Third Dose Of Pfizer-BioNTech's COVID-19 Vaccine Boosts Protection Against Delta Variant, New Data Reveals.NEWS9: Pfizer beats on earnings, raises 2021 guidance on vaccine sales.NEWS10: Covid-19 vaccine booster shots will become a reality: Doctor.NEWS11: Ripple effects of the CDC indoor mask guidance.NEWS12: WHO Is Currently Not In Favor Of COVID Booster Shots Citing Lack Of Data: CNBC.NEWS13: AbbVie Stock Is Rising Despite A Pfizer Setback — Is It A Buy Or A Sell?.NEWS14: Earnings Data Deluge.NEWS15: Trade Numbers Sink Near Record, Q2 Earnings Beats for PFE, BA & MCD.NEWS16: [video]Pfizer Price Targets? I've Got Them for You.NEWS17: Spotify misses user target, Boeing reports surprise Q2 profit, Pfizer raises guidance.NEWS18: Pfizer (PFE) Q2 Earnings Beat, View Up on COVID-19 Vaccine.NEWS19: Pfizer Covid Vaccine Sales Are Booming — and Should Keep on Booming.NEWS20: Zacks Earnings ESP: A Better Way to Find Earnings Surprises for Medical.NEWS21: Here's What the Surge in COVID's Delta Variant Could Mean for Pfizer's Stock.NEWS22: Pfizer Says It Will Now Sell $33.5 Billion of Its Covid-19 Vaccine This Year.NEWS23: Pfizer raises 2021 COVID-19 vaccine sales forecast to $33.5 billion.NEWS24: 3 Top Robinhood Stocks That Shrewd Investors Should Buy Right Now.NEWS25: Pfizer (PFE) Q2 Earnings and Revenues Surpass Estimates.NEWS26: Pfizer shares limited data about its COVID-19 booster candidate, says it ups protection against the delta variant.NEWS27: Pfizer Earnings: What Happened with PFE.NEWS28: Pfizer's COVID-19 vaccine generated $7.8 billion in revenue in the second quarter.NEWS29: Pfizer Earnings Beat Views, Guidance Raised On Coronavirus Vaccine.NEWS30: Pfizer Q2 Results Beat Wall Street Expectations; Expects $33B From COVID-19 Vax Sales In 2021.NEWS31: UPDATE 6-Pfizer says 2021 COVID-19 vaccine sales to top $33.5 bln, sees need for boosters.NEWS32: Pfizer raises 2021 COVID-19 vaccine sales forecast to $33.5 billion.NEWS33: Pfizer raises estimates for 2021 sales of COVID-19 vaccine to $33.5 bln.NEWS34: PFIZER REPORTS SECOND-QUARTER 2021 RESULTS.NEWS35: 3 Big Hints That COVID Vaccine Booster Doses Are on the Way.NEWS36: Video: Jim Cramer on Boeing, Facebook, Alphabet, AMD, Starbucks, the CDC.NEWS37: Live: Jim Cramer on Boeing, Apple, Alphabet, AMD, Starbucks, the CDC.NEWS38: Alphabet, Boeing Rise Premarket; Starbucks, Spotify Fall.NEWS39: Pfizer Off Lows As It Sees $33.5 Billion Revenue From COVID Shots.NEWS40: U.S. to ship 4 mln COVID-19 vaccine doses to Nigeria, 5.66 mln to South Africa.NEWS41: Pfizer Blasts Earnings Forecast, Sees $33.5 Billion in COVID Vaccine Sales.NEWS42: Legal wrangles hold up U.S. vaccine donations to India.NEWS43: UPDATE 1-Guatemala renegotiates Sputnik V contract to receive 8 mln doses, says president.
2021-07-29: NEWS1: Brands Who Focus On More Than Just Their Bottom Lines.NEWS2: Israel to offer Pfizer vaccine booster shots to those over 60.NEWS3: Pfizer says immunity drops to 83% within four months in people who got its COVID-19 shot, further bolstering the company case for a booster.NEWS4: Israel to offer third COVID-19 booster shot to citizens over 60.NEWS5: We must move towards vaccine mandates to get ahead of Covid-19: Doctor.NEWS6: How EU leaders destroyed AstraZeneca’s Covid vaccine dream.NEWS7: AstraZeneca Covid Vaccine Sales Surge. The Drugmaker Has a Dilemma..NEWS8: Glaxo's (GSK) Q2 Earnings Beat, Revenues on Recovery Track.NEWS9: Latest Covid Spike Means You May Want a Booster Shot.NEWS10: Stock Market News for Jul 29, 2021.NEWS11: UPDATE 3-Israel to offer Pfizer booster shot against COVID-19 to the over-60s.NEWS12: Is Moderna a Buy?.NEWS13: Pfizer CEO on South Africa vaccine deal: 'They want to see production happening'.NEWS14: The 1 Thing I'll be Looking for in Moderna's Earnings Report Next Week.NEWS15: Why Pfizer's Q2 Update Was Even Better Than You Might Think.NEWS16: Glaxo Is Attempting a Turnaround. An Activist Wants to Accelerate It. Buy the Stock..NEWS17: Pfizer (PFE) Q2 2021 Earnings Call Transcript.

Answer: Rise