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:2021-10-18, Stock:PFE, The news for the past five days is as follows:
2021-10-11: NEWS1: International SOS SVP details where doctors have been needed most.NEWS2: Pfizer (PFE) Dips More Than Broader Markets: What You Should Know.NEWS3: Pfizer-BioNTech Covid-19 Vaccine Is World’s Preferred Shot.NEWS4: Coronavirus: Doctor quotes Yogi Berra to urge everyone to 'let the data sort itself out'.NEWS5: Pfizer (PFE) is a Top-Ranked Growth Stock: Should You Buy?.NEWS6: Merck seeks emergency authorization for COVID pill.NEWS7: 4 Key Things Investors Should Know About Pfizer's Experimental COVID-19 Pill.
2021-10-12: NEWS1: Breaking down the legality of workplace vaccine mandates.NEWS2: eMed CEO discusses what's next for COVID-19 testing.NEWS3: U.S. administers 403.6 mln doses of COVID-19 vaccines - CDC.NEWS4: FDA Staff Don’t Take Position on Moderna Covid-19 Booster.NEWS5: Pushing back on businesses’ ability to have a vaccine mandate is a bad idea: Doctor.NEWS6: An FDA committee will discuss Moderna boosters. Here's what to expect.NEWS7: FDA Scientists Decline to Take Stance on Moderna Covid Booster Shot.NEWS8: FDA working to authorize booster shots of Moderna and J&J vaccines.NEWS9: Sanofi’s Covid Vaccine Inches Closer to the Market, Analyst Says.NEWS10: Sanofi’s Covid-19 Vaccine Gets a Boost From Early Testing Data, Analyst Says.NEWS11: Pre-Markets Back to Green Ahead of Economic & Earnings Data.NEWS12: UPDATE 2-GSK says on course to demerge consumer arm after report of buyout interest.NEWS13: GSK on track with consumer split as buyout report boosts shares.NEWS14: How Could Pfizer Be Affected by Moderna's Vaccine Safety Issues?.NEWS15: Where the S&P and Nasdaq Stand, The New Green Team, Trading Southwest and Pfizer.NEWS16: FDA Advisory Panel Will Debate J&J and Moderna Boosters This Week.
2021-10-13: NEWS1: UPDATE 1-Australia's CSL reaffirms commitment to making AstraZeneca COVID vaccine.NEWS2: UPDATE 2-J&J COVID-19 shot gets better boost from Moderna or Pfizer in NIH study.NEWS3: U.S. administers 404.4 mln doses of COVID-19 vaccines - CDC.NEWS4: 'Mixing' COVID-19 vaccines triggers a stronger immune response, preliminary NIH study says.NEWS5: Johnson & Johnson Booster Shot May Bolster Immune Response, FDA Staff Says.NEWS6: U.S. to open Canada, Mexico borders for vaccinated visitors.NEWS7: UPDATE 1-Russia says Sputnik Light is 70% effective against Delta variant.NEWS8: Merck’s Covid-19 Antiviral Can Still Get FDA Authorization, Despite Safety Concerns, Analyst Says.NEWS9: Russia's one-shot Sputnik Light vaccine 70% effective against Delta variant - RDIF.NEWS10: J&J Gains as FDA Says Its Covid Booster Shot Helps Immunity.NEWS11: An FDA Advisory Panel Will Debate Moderna and J&J Boosters This Week.NEWS12: Can Pfizer Beat Moderna in mRNA Vaccines?.NEWS13: Should Invesco S&P Ultra Dividend Revenue ETF (RDIV) Be on Your Investing Radar?.NEWS14: As Kids' Covid-19 Vaccine Nears, Doctors Work to Ease Parent Concerns.NEWS15: Panama approves Pfizer COVID-19 booster for high-risk people.
2021-10-14: NEWS1: U.S. administers 405.4 mln doses of COVID-19 vaccines - CDC.NEWS2: Why Moderna Stock Trounced the Market Today.NEWS3: Moderna Booster Is Recommended by FDA Advisory Panel. Here’s Who Can Get Another Shot..NEWS4: Moderna Booster Shot Backed by FDA Advisory Panel.NEWS5: Doctor: Just a 'matter of time' before another COVID-19 surge.NEWS6: Column: Moderna's founders are now billionaires, but where are the doses for the rest of the world?.NEWS7: Moderna Stock Pops After FDA Panel Unanimously Endorses Covid Booster.NEWS8: Kyrie Irving won't play for the Brooklyn Nets until vaccinated.NEWS9: FDA panel endorses a lower dose of Moderna’s COVID-19 vaccine for booster shot.NEWS10: Doctor on Covid-19: ‘Let history guide our future actions’.NEWS11: Lack of US COVID-19 data is 'red meat' for anti-vaccine movement: Expert.NEWS12: Moderna Stock Jumps After FDA Advisors Recommend Booster Shot.NEWS13: Has Pfizer (PFE) Outpaced Other Medical Stocks This Year?.NEWS14: UPDATE 5-U.S. FDA advisers back Moderna COVID-19 booster shots for older and high-risk people.NEWS15: Epizyme's (EPZM) Tazverik Aids Growth, Overdependence a Woe.NEWS16: 2 Stocks to Consider if Pfizer's and Moderna's CEOs Are Right That the Pandemic Could End Next Year.NEWS17: Scientist behind Vertex CF drugs launches new startup with Atlas Venture.NEWS18: Pfizer Just Scored Another Key Regulatory Approval.NEWS19: The FDA Is Set to Decide on Moderna's Booster. Here's What It Means for the Stock..NEWS20: ‘I am for’ a national vaccine mandate: Stanley McChrystal.NEWS21: Australia's CSL reaffirms commitment to making AstraZeneca COVID vaccine.
2021-10-15: NEWS1: NIH director on why Moderna's COVID-19 vaccine for teens is on hold.NEWS2: FDA Vaccines Committee Seems Open to Mix-and-Match Boosters. What That Could Look Like..NEWS3: The Next Challenge For Covid Stocks Is Also A Cash Cow For These Companies.NEWS4: FDA Delays Moderna Covid-19 Vaccine for Adolescents to Review Rare Myocarditis Side Effect.NEWS5: FDA Advisors Endorse J&J Covid Booster; But Hold Off On Mix-And-Match Shots.NEWS6: J&J Booster Backed by FDA Advisory Committee. Here’s What Comes Next..NEWS7: U.S. administers 406.6 mln doses of COVID-19 vaccines - CDC.NEWS8: Johnson & Johnson Covid-19 Booster Shot Endorsed by FDA Advisers.NEWS9: NIH Director:  I would like to see a lot more vaccine manufacturing in low- and middle-income countries.NEWS10: FDA panel backs booster shot for J&J Covid-19 vaccine.NEWS11: NIH Director on FDA ‘being careful’ in clearing Moderna vaccine for kids 12-17.NEWS12: COVID SCIENCE-Statins may slightly lower COVID-19 death risk; using a different vaccine as booster may offer more protection.NEWS13: 10 Pharmaceutical Stocks to Buy According to Lawrence Hawkins’ Prosight Capital.NEWS14: J&J Stock Rises As FDA Advisors Unanimously Endorse Covid Booster At Two Months.NEWS15: Doctor: 'Just a matter of time before another COVID-19 surge' as new infections fall.NEWS16: UPDATE 5-Second J&J COVID-19 shot gets expert backing; FDA is looking at lowering age for Pfizer booster.NEWS17: FDA Advisors Mull When — Not Whom — To Offer Johnson & Johnson Covid Booster.NEWS18: Novavax (NVAX) Lags in COVID Vaccine Race: Will It Gather Pace?.NEWS19: UPDATE 1-Pfizer/BioNTech submit data to EMA for COVID-19 vaccine in young children.NEWS20: U.S. FDA advisers to vote on J&J vaccine booster.NEWS21: The Zacks Analyst Blog Highlights: Southwest Airlines, Delta Air Lines, Moderna, Pfizer and BioNTech.NEWS22: Pfizer’s Abrocitinib Receives Positive CHMP Opinion for the Treatment of Adults with Moderate to Severe Atopic Dermatitis.NEWS23: Pfizer's Next mRNA Vaccine Candidate Goes Beyond COVID-19.NEWS24: 3 Top Stocks Under $100.NEWS25: Could Johnson & Johnson's Booster Opportunity Be Better Than Pfizer's and Moderna's?.NEWS26: The FDA Is About to Make Some Major Drug Decisions. What Investors Need to Know..NEWS27: Moderna Gains on FDA Booster Approval; JNJ Booster on Tap.

Answer: Decrease