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:2021-08-12, Stock:PFE, The news for the past five days is as follows:
2021-08-05: NEWS1: Novavax data shows four-fold jump in antibody levels via booster shots.NEWS2: UPDATE 4-Moderna says COVID-19 shot maintains high efficacy through 6 months, sees eventual need for boosters.NEWS3: Coronavirus vaccine: More people vaccinated is more important than boosters, doctor says.NEWS4: Moderna CEO: Countries, not manufacturers, are responsible for WHO moratorium on boosters.NEWS5: Moderna CEO on importance of FDA approval: It's 'the credibility of our vaccine'.NEWS6: Moderna beats on earnings as vaccination push continues.NEWS7: Global tally of COVID-19 cases tops 200 million as U.S., Germany and France push back against WHO call on boosters.NEWS8: Drugs giants accused of charging NHS ‘unfairly high’ prices.NEWS9: Moderna touts its COVID vaccine's endurance and earnings that beat expectations.NEWS10: UPDATE 3-Moderna says its COVID-19 shot maintains high efficacy through 6 months.NEWS11: Delta variant is a 'wake up call', emergency physician says.NEWS12: What Really Mattered With Pfizer's Q2 Results.NEWS13: Moderna says its COVID-19 shot provides 93% immunity after six months.NEWS14: UPDATE 2-Moderna says its COVID-19 shot 93% effective six months after second dose.NEWS15: Pfizer accused of overcharging NHS for epilepsy drugs.NEWS16: Pfizer's CEO Wants to Go Shopping: 3 Potential Companies on His Radar.NEWS17: Moderna says its COVID-19 shot maintains high efficacy through 6 months.NEWS18: Moderna says its COVID-19 shot remains 93% effective 4-6 months after second dose.NEWS19: Is BioNTech Contradicting Pfizer About the Need for Booster Doses?.NEWS20: Pfizer's (NYSE:PFE) Returns are Boosted by the Vaccine. The Long Term Future is Uncertain.NEWS21: UPDATE 3-Pfizer epilepsy drug prices were 'unfairly high,' UK review finds.NEWS22: Pfizer epilepsy drug prices were 'unfairly high,' UK review finds.NEWS23: ICU Medical, inc (ICUI) Q2 2021 Earnings Call Transcript.
2021-08-06: NEWS1: Novavax CEO explains delay in COVID-19 vaccine EUA filing.NEWS2: Novavax CEO: The headline of delaying our vaccine filing in the U.S. is not accurate.NEWS3: Booster shots are an ‘ethical question’ we have to look at: Doctor.NEWS4: 10 Biotech Penny Stocks to Buy According to Reddit.NEWS5: 10 Popular Stocks to Buy Right Now.NEWS6: Moderna presses for COVID-19 boosters as federal health officials warm to an extra dose for some people.NEWS7: Pharma Stock Roundup: LLY, NVO, BAYRY Q2 Earnings, SNY's TBIO Buyout, FDA Updates.NEWS8: Novavax Tanks As It Delays Seeking Emergency Use OK For Covid Shot.NEWS9: Booster Shots Look Inevitable. The Market May Have Priced That In..NEWS10: Why COVID Vaccines for Younger Kids Won't Win Authorization as Soon as Expected.NEWS11: CORRECTED-UPDATE 2-South African study shows high COVID protection from J&J shot.
2021-08-09: NEWS1: What to know about kids returning to school amid the Delta variant's spread.NEWS2: 3 Vaccine Stocks for the Next Decade.NEWS3: COVID SCIENCE-Moderna may be superior to Pfizer against Delta; breakthrough odds rise with time.NEWS4: BioNTech Stock Pops On Earnings Crush, Plans To Deliver 2.2 Billion Doses.NEWS5: NYC's new vaccine mandate fuels legal debate for businesses.NEWS6: Pfizer Expects $33.5 Billion In Full-Year Covid Vaccine Sales — Is PFE Stock A Buy?.NEWS7: Pentagon to Require Covid  Vaccines For Military by Sept. 15.NEWS8: Vaccine stocks rally, DraftKings to buy Golden Nugget, Bitcoin’s weekend moves.NEWS9: COVID-19: ‘In schools we should start at least implementing a testing requirement’, doctor says.NEWS10: Gilead to require U.S. workers receive COVID-19 vaccine.NEWS11: BioNTech Stock Climbs. Earnings Blew Past Expectations..NEWS12: Were Hedge Funds Right About Pfizer Inc. (PFE)?.NEWS13: BioNTech says has supplied more than 1 billion COVID-19 vaccine doses so far.NEWS14: BioNTech Stock Pops On Earnings Crush, Plans To Deliver 2.2 Billion Doses.NEWS15: BioNTech says vaccine repeats beat devising new one for now.NEWS16: UPDATE 2-BioNTech says vaccine repeats beat devising new one for now.NEWS17: BioNTech Soars As It Says It’s Developing Updated Covid Shot For Delta.NEWS18: BioNTech says has supplied more than 1 bln COVID-19 vaccine doses so far.NEWS19: The Messenger RNA Vaccine Stocks Are the Best Investment Against COVID.NEWS20: Buying Pfizer Stock Now Could Double Your Money Within 5 Years: Here's How.NEWS21: South Korea opens COVID-19 vaccine reservations for all adults.
2021-08-10: NEWS1: Director of Vaccine Education Center: 'The governor of Florida has served as a friend of SARS-CoV-2 virus'.NEWS2: Moderna, BioNTech Record Rally Loses Steam on Biotech Rout.NEWS3: Pfizer shares hit record high with COVID-19 vaccine stocks on a tear.NEWS4: ‘Now we have to be in the business of saving and protecting lives’: CA State Superintendent of Public Instruction.NEWS5: Steel stocks hit records, Wall Street responds to COVID, Pfizer stock smashes 22-year record.NEWS6: Moderna’s stock price is ‘ridiculous,’ says BofA analyst.NEWS7: 10 Best Blue Chip Dividend Stocks Hedge Funds are Buying.NEWS8: UPDATE 1-BioNTech alone could lift German economy by 0.5% this year.NEWS9: BioNTech alone could lift German economy by 0.5% this year - economist.NEWS10: Moderna Stocks Gains on Delta Efficacy, Pentagon Vaccine Mandate Reports.NEWS11: Moderna Stocks Jumps on Delta Efficacy, Pentagon Vaccine Mandate Reports.
2021-08-11: NEWS1: U.S. FDA set to authorize COVID-19 vaccine boosters for immunocompromised patients - NBC News.NEWS2: Drug Companies Are Putting Profits First While the Delta Variant Spreads. That Needs to Change..NEWS3: Doctor: More than 90% of hospitalizations driven by the unvaccinated.NEWS4: Can Pfizer Seize Share in This Multibillion-Dollar Market?.NEWS5: CDC recommends pregnant women get COVID-19 vaccine.NEWS6: Merck's (MRK) Two Keytruda sBLAs Get Accepted by the FDA.NEWS7: UPDATE 1-EU regulator looking at new possible side-effects of mRNA COVID-19 shots.NEWS8: Russia's RDIF suggests Sputnik Light as vaccine booster with Pfizer shots -Twitter.NEWS9: Booster Doses for the Elderly Are Coming, Analyst Says. Friday Is a Key Date..NEWS10: Moderna, BioNTech Plunge As EU Studies Possible Side-effects Of mRNA Shots.NEWS11: UPDATE 2-India in talks to buy 50 million doses of Pfizer vaccine - WSJ.NEWS12: 3 Pharma Stocks to Buy in August.NEWS13: India in talks to buy 50 million doses of Pfizer vaccine - WSJ.NEWS14: It’s Time to Put Health Over Profit. End the Pandemic..NEWS15: Facebook bans Russian firm behind disinformation campaign against Covid vaccines.

Answer: Rise