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:2021-01-21, Stock:PFE, The news for the past five days is as follows:
2021-01-13: NEWS1: Pfizer (PFE) Stock Sinks As Market Gains: What You Should Know.NEWS2: J&J Stock Pops After Midstage Test Shows Its Covid Vaccine Is Durable.NEWS3: J&J Stock Dips On Report Its Covid Vaccine Is 2 Months Behind Schedule.NEWS4: Scammers target savers with fake Covid-19 ‘vaccine bonds’, claiming they are backed by Pfizer.NEWS5: Efficient vaccine rollout is ‘going to depend on individual states and their mandates’: Doctor.NEWS6: J&J's COVID-19 vaccine should hopefully show over 80% effectiveness - Slaoui.NEWS7: How the government is handling the COVID-19 vaccine rollout, Biden admin. outlook.NEWS8: J&J Stock Dips On Report Its Covid Vaccine Is 2 Months Behind Schedule.NEWS9: J&J Stock Topples On Report Its Covid Vaccine Is 2 Months Behind Schedule.NEWS10: Johnson & Johnson Hits Vaccine Production Snags, New York Times Reports.NEWS11: Merck (MRK) Gets Priority Tag for Pneumococcal Vaccine BLA.NEWS12: Britain targets 24/7 COVID vaccinations to speed rollout.NEWS13: Baxter Germany to start production of BioNTech/Pfizer vaccine by early March.NEWS14: English health official says have been extracting extra doses of AstraZeneca vaccine.NEWS15: Australia state records 1 virus case as some doctors oppose vaccine rollout.
2021-01-14: NEWS1: Pfizer Leads Vaccine Stocks As The Most Trusted Name In Covid-19: IBD/TIPP.NEWS2: Pfizer’s XALKORI® (crizotinib) Approved by FDA for ALK-positive Anaplastic Large Cell Lymphoma in Children and Young Adults.NEWS3: 10M+ Americans have received 1st COVID-19 vaccine: CDC.NEWS4: Covid-19 Infection Likely to Provide Immunity for at Least Five Months, Study Finds. What That Might Mean..NEWS5: COVID-19 vaccine rollout 'really has to be on a federal level': Doctor.NEWS6: Exact Sciences (EXAS) Posts Solid Preliminary Q4 Testing Revenues.NEWS7: Why Pfizer (PFE) Could Beat Earnings Estimates Again.NEWS8: U.S. has delivered 10 million vaccine doses as it crosses 4,000 deaths in a day for second time.NEWS9: New Data Boosts Confidence In J&J Vaccine.
2021-01-15: NEWS1: Pfizer says it has second doses of COVID shot on hand, expects no supply problems.NEWS2: Italy says Pfizer to cut vaccine supplies by 29% from Monday.NEWS3: Doctor: ‘People are craving really clear information about what is happening’ on the vaccine front.NEWS4: Why Pfizer Is a Long-Term Investor’s Friend.NEWS5: Why Moderna Has More Upside Than Its Covid-19 Vaccine Implies.NEWS6: Pfizer temporarily reduces European deliveries of vaccine while upgrading production capacity.NEWS7: Pfizer Slows Non-U.S. Vaccine Deliveries Amid Manufacturing Changes; Boosts 2021 Dose Goal to 2 Billion.NEWS8: Pfizer has told EU it can still make vaccine deliveries in 1st qtr, Von der Leyen says.NEWS9: Coronavirus update: Biden calls for 100 million vaccinations, $121 billion for health care to fight COVID-19.NEWS10: WRAPUP 4-Vaccine shipments to EU slow as Turkey, China ramp up inoculations.NEWS11: Pfizer to deliver less COVID-19 vaccine to EU in coming weeks - Germany.NEWS12: Lebanese parliament approves law paving way for vaccine deal.NEWS13: Pfizer's (PFE) Xalkori Gets FDA Nod for Rare Lymphoma in Kids.NEWS14: Global Dividends Will Rise 7% in 2021, IHS Markit Says, but U.S. Payouts Seen Falling 0.7%.NEWS15: Crude Oil Prices Drop as Stimulus Plan Falls Flat, Virus Weighs.NEWS16: EU nations say COVID vaccine rollout is slow with uncertain timetables -sources.
2021-01-19: NEWS1: Column: Trump utterly failed to cut drug prices. Here's how Biden could do better.NEWS2: Schwab Stock Gains Because Retail Investors Are Trading. State Street Did Pretty Well, Too..NEWS3: Doctor: 'Vaccine rollout is so far behind where we need it to be'.NEWS4: Peru says Sinopharm, Pfizer seek approval for their COVID-19 vaccines.NEWS5: Open all hours: Round-the-clock vaccination sites to be piloted in England in COVID-19 drive.NEWS6: Coronavirus update: US surpasses 400,000 COVID-19-related deaths.NEWS7: McConnell Says Trump Provoked Mob That Attacked Capitol.NEWS8: Britain to give COVID-19 shots to key vaccine supply workers.NEWS9: Trump Expected to Issue Many Pardons on Final Day in Office.NEWS10: Stock Market News for Jan 19, 2021.NEWS11: Serbia becomes first European county to use Chinese COVID vaccine for mass rollout.NEWS12: Eli Lilly Stock Is Still Pricey. Why It Might Be a Buy..NEWS13: European countries struggle to make most of Pfizer COVID-19 vaccine doses.NEWS14: AbbVie Stock Is Trading Near A 3-Year High — Is It Time To Add ABBV Stock?.NEWS15: Spain to send 30,000 doses of coronavirus vaccine to Andorra.NEWS16: Cuomo Asks Pfizer To Let New York Purchase COVID-19 Vaccine Directly.NEWS17: Frustrated by slow rollout, Cuomo mulls buying coronavirus vaccine directly from Pfizer.
2021-01-20: NEWS1: Some COVID-19 variants may reduce effectiveness of vaccines.NEWS2: Pfizer (PFE) Stock Sinks As Market Gains: What You Should Know.NEWS3: Pfizer Says Covid Jab Could Battle U.K. Variant; Gritstone Expands Its Gain.NEWS4: COVID SCIENCE-S. African virus variant may resist antibody drugs; Pfizer/BioNTech vaccine seems to work vs UK variant.NEWS5: Gilead Stock 2021: Why The Biotech Stock Isn't Depending On Covid Drugs.NEWS6: Ivory Coast says delivery of its first doses of Pfizer vaccine delayed to mid-Feb.NEWS7: Three COVID-19 vaccines under final review for emergency use - WHO.NEWS8: Biden Agenda, Intel Profit, Jobless Claims: 3 Things to Watch.NEWS9: Pfizer-BioNTech Vaccine Found Effective Against New Coronavirus Strain In Lab Study.NEWS10: Pfizer Says Covid Jab Could Battle U.K. Variant; Gritstone Expands Its Gain.NEWS11: Gritstone (GRTS) to Begin Coronavirus Vaccine Study, Stock Up.NEWS12: Italy considers legal action over Pfizer vaccine delivery delays.NEWS13: Return On Capital Employed Overview: Pfizer.NEWS14: Israel includes pregnant women on COVID-19 vaccines priority list.NEWS15: Another Paper From Pfizer and BioNTech Shows Vaccine Will Protect Against U.K. Strain.NEWS16: German COVID-19 fight hit by delay to Pfizer vaccine.NEWS17: CORRECTED-German minister annoyed by Pfizer short-notice delivery delay.NEWS18: Pfizer vaccine appears effective against coronavirus variant found in Britain -study.NEWS19: COVID-19 Vaccine Update – Some EU Member States Break Ranks.

Answer: Decrease