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:2021-02-16, Stock:PFE, The news for the past five days is as follows:
2021-02-08: NEWS1: If we roll out the coronavirus vaccine 'in a stepwise fashion, I think that we can be successful': Doctor.NEWS2: Vaccines Are Still Protecting Against the Coronavirus Variants (for Now).NEWS3: EU finalises second deal with Pfizer for 300 mln vaccine doses.NEWS4: Coronavirus pandemic: 'Every additional vaccine is a game changer'.NEWS5: AstraZeneca COVID-19 vaccine concerns shrugged off by U.K. and Australia.NEWS6: Coronavirus update: Variant concerns rising globally as spread grows in US.NEWS7: How the ‘grandma phenomenon’ is influencing when people get the COVID-19 vaccine.NEWS8: U.S. COVID case tally tops 27 million, while South Africa abandons AstraZeneca vaccine.NEWS9: Why Johnson & Johnson's Vaccine Data Is Actually Great News.NEWS10: How ‘meme stocks’ and recent retail investor activity are impacting markets.NEWS11: UK PM Johnson says: We're confident our vaccines prevent deaths.NEWS12: The Zacks Analyst Blog Highlights: Google, Pfizer, Uber, Cisco Systems and ConocoPhillips.
2021-02-09: NEWS1: 1 in 4 people will stop wearing a mask after being vaccinated: Study.NEWS2: UPDATE 1-eSwatini will not use AstraZeneca vaccine after S.Africa trial data.NEWS3: Sanofi CEO on the Future of Messenger RNA Vaccines — and His Company.NEWS4: Doctor on COVID-19 cases: ‘The numbers are very hopeful at the moment’.NEWS5: 20 Most Deadliest and Dangerous Snakes In the World.NEWS6: UPDATE 3-Canada to demand negative COVID tests from people returning across U.S. land border.NEWS7: WHO team says coronavirus jumped to humans from an animal, as global case tally tops 106.5 million.NEWS8: Can COVID Vaccine Latecomer Ocugen Beat Pfizer and Moderna?.NEWS9: Chile says in talks with Russia to acquire Sputnik V vaccine.NEWS10: Glaxo's (GSK) Rukobia Gets EU Nod for Multidrug-Resistant HIV.NEWS11: Cassava (SAVA) Rises on Late-Stage Alzheimer's Study Plans.NEWS12: Analyzing Pfizer's Unusual Options Activity.NEWS13: Sanofi CEO Says Messenger RNA Vaccines Won’t Replace Other Types.NEWS14: Nextech AR’s Virtual Event Platform Selected by Canadian Surgery Forum for Its 2021 Virtual Trade Show.NEWS15: Opdivo Plus Cabometyx Combo Shows Superior Clinical Benefit Versus Sunitinib In Late-Stage Kidney Cancer Study.NEWS16: UPDATE 1-Hungary to start vaccinations with Russian COVID-19 shot.NEWS17: Dermapharm aims to start making Pfizer shot at second site by May.NEWS18: Dollar Weakens; Concerns Over U.S. Economic Recovery Mount.NEWS19: South Korea PM pleads for COVID-19 compliance ahead of Lunar New Year.NEWS20: UPDATE 1-Japan minister: EU approved first shipment of Pfizer COVID-19 vaccine to Japan.NEWS21: UPDATE 1-Mexican president vows more COVID-19 vaccines as shots dwindle.
2021-02-10: NEWS1: CDC: Double masking prevents virus transmission by 96.5%.NEWS2: This chart shows stock-market investors are dashing to trash.NEWS3: Coronavirus update: CDC endorses double-masking as COVID vaccine push continues.NEWS4: Doctor on decline in COVID-19: ‘the cases still remain higher than what we’ve seen during wave 1’.NEWS5: Zoom (ZM) Rallies to Two-Month High.NEWS6: WHO team member hits back at criticism of Wuhan mission as global COVID tally tops 107 million.NEWS7: Deciphera (DCPH) Reports Narrower-Than-Expected Q4 Loss.NEWS8: BioNTech starts COVID vaccine production at new German site, boosting EU supplies.NEWS9: BioNTech Starts Production At New Germany Plant In Boost For COVID-19 Shots.NEWS10: Novavax Keeps Hitting New Records After Seeking Covid Vaccine OK; Is It A Buy?.NEWS11: What Are Pfizer's Prospects in 2021 and Beyond?.NEWS12: UPDATE 1-Pfizer could directly deliver COVID-19 shot to S.Africa vaccination points.NEWS13: INSIGHT-Vaccine vs variant: Promising data in Israel's race to defeat pandemic.NEWS14: Single Dose of Pfizer Shot Gives Two-Thirds Protection, Data Suggests.NEWS15: NZ to inoculate high-risk people first as COVID-19 vaccine gets full approval.NEWS16: Single dose of Pfizer vaccine shows signs of success in UK.NEWS17: Signs suggest single vaccine dose is reducing Covid positivity rate in UK.
2021-02-11: NEWS1: Biden says U.S. is ahead of pace, will have vaccines for 300 million Americans by end of July.NEWS2: Biden says U.S. on track to have enough vaccines for 300 million Americans by end of July.NEWS3: REFILE-UPDATE 2-New Zealand plans to start COVID-19 vaccinations next week.NEWS4: Pfizer is Yahoo Finance Premium’s investment idea of the day.NEWS5: ‘We have to double down on public health measures:’ Doctor on COVID-19 variants.NEWS6: Black Doctors Work Overtime to Combat Clubhouse Covid Myths.NEWS7: UPDATE 2-S.Africa to start vaccinating millions against local COVID-19 variant -Ramaphosa.NEWS8: Serbia could manufacture Russia's Sputnik V vaccine by year-end - minister.NEWS9: When Will Israel’s Vaccination Campaign Boost the Nation’s Economy?.NEWS10: Expedia (EXPE) Overdue for a Pullback.NEWS11: Johnson & Johnson's Coronavirus Vaccine Data Isn't as Bad as It First Appears.NEWS12: 3 Reasons Pfizer's Failures Could Lead to a Big Acquisition.NEWS13: 3 Absurdly Cheap Coronavirus Stocks to Buy Now.NEWS14: How Bad News for Xeljanz Could Affect Pfizer's Fortunes.NEWS15: UPDATE 1-Evonik to make lipids for BioNTech COVID-19 vaccine.
2021-02-12: NEWS1: Impact of Covid-19 virus variants on vaccine distribution.NEWS2: U.S. FDA Approves PANZYGA® for the Treatment of Adults with Chronic Inflammatory Demyelinating Polyneuropathy (CIDP).NEWS3: Coronavirus update: CDC to unveil school reopening guidance; U.S. purchases 200 million more vaccine doses.NEWS4: Vaccine accessibility to underserved communities rests on individual states: Infectious disease physician.NEWS5: UPDATE 1-Canada will get some doses of Pfizer's vaccine earlier than scheduled -PM Trudeau.NEWS6: COVID-19 is not over, 'stay vigilant on masking, social distancing': former HHS secretary.NEWS7: Public Health Professor on COVID-19: ‘The big question though is how many people will be willing to get vaccinated’.NEWS8: COVID-19 Vaccine Updates: US Strikes 100M-Dose Supply Deals With Moderna, Pfizer, EU Starts Rolling Review Of CureVac Vaccine.NEWS9: U.S. COVID vaccine program enters new phase as feds deliver jabs directly to drug store chains.NEWS10: Can COVID Vaccine Makers Benefit From the Biden Administration?.NEWS11: U.S. orders another 100 million doses of the BioNTech/Pfizer COVID-19 vaccine.NEWS12: The U.S. is getting plenty of COVID-19 vaccines, but you still won’t have a normal summer.NEWS13: The U.S. Will Be Swimming in Covid-19 Vaccines by Midsummer.NEWS14: Microsoft System Blamed for N.J. Vaccine-Booking Glitches.NEWS15: FOCUS-BioNTech, Moderna shore up supplies of key COVID-19 vaccine ingredients.NEWS16: Here's What Investors Need to Know About the Sputnik V Coronavirus Vaccine.NEWS17: Could the U.S. Buying More COVID Vaccines Hurt Johnson & Johnson and Novavax?.NEWS18: Upstart Entrants and Booster Shots: How the Pandemic Is Changing the Vaccine Industry..NEWS19: Coronavirus cases in Eastern Europe surpass 10 million - Reuters tally.NEWS20: UPDATE 3-Japan panel recommends approval of Pfizer COVID-19 vaccine after morning arrival.NEWS21: Myovant Sciences Ltd. (MYOV) Q3 2020 Earnings Call Transcript.NEWS22: First COVID-19 vaccines arrive in Japan from Pfizer - media.

Answer: Decrease