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:2020-08-18, Stock:PFE, The news for the past five days is as follows:
2020-08-11: NEWS1: BioNTech and Pfizer Hope to Have Late-Stage Coronavirus Vaccine Results by October.NEWS2: Johnson & Johnson stock falls Tuesday, still outperforms market.NEWS3: Coronavirus Latest: Tuesday, August 11.NEWS4: Coronavirus update: Russia approves world's first vaccine amid skepticism, Trump weighs travel ban on Americans.NEWS5: Pfizer (PFE) Could Enter New Uptrend.NEWS6: BioNTech Shares Off After Report of Wider Second-Quarter Loss.NEWS7: REFILE-Scientists ask: Without trial data, how can we trust Russia's COVID vaccine?.NEWS8: Should Pfizer Be Your Next Coronavirus Buy?.NEWS9: Russia Registered a Coronavirus Vaccine. The Market Loves It..NEWS10: EXPLAINER-When will a coronavirus vaccine be ready?.NEWS11: ICU Medical Inc (ICUI) Q2 2020 Earnings Call Transcript.
2020-08-12: NEWS1: US Indexes Close Higher Wednesday.NEWS2: Johnson & Johnson stock rises Wednesday, outperforms market.NEWS3: Price Over Earnings Overview: Pfizer.NEWS4: EPIX: $45 Million Financing Includes Investment from Pfizer; Dosing Begins in Phase 1 Trial of EPI-7386….NEWS5: Large-Cap Pharma Industry Outlook Dull Amid Coronavirus Woes.NEWS6: Moderna’s Covid Vaccine Looks Like a Bargain.
2020-08-13: NEWS1: Johnson & Johnson stock underperforms Thursday when compared to competitors.NEWS2: Novavax Stock Jumps on Vaccine Deal With South Korean Firm.NEWS3: Why Warren Buffett Might Not Be Crazy About Biopharma Stocks.NEWS4: US Continues to Secure Coronavirus Vaccines: 4 Stocks to Watch.
2020-08-14: NEWS1: The Economy May Be Struggling, but the Pet Business and the Stock Market Keep Running Strong.NEWS2: Johnson & Johnson stock outperforms market on strong trading day.NEWS3: Merck, Big Pharma’s Quiet Giant, Looks Like a Buy.NEWS4: COVID-19 vaccine maker CureVac pops 200% in debut.NEWS5: CureVac in talks with pharma companies about partnership - Sueddeutsche.NEWS6: FOCUS-Vaccine makers including Moderna must hit U.S. timing goals for full payments.NEWS7: Johnson & Johnson, Novavax ink vaccine deal with UK.NEWS8: Schools struggle to reopen as COVID-19 cases rise.NEWS9: Pfizer Stock Is Treading Water, but Director Ronald Blaylock Made a Big Buy.
2020-08-17: NEWS1: UNC Moves to Online Classes After Coronavirus Outbreak.NEWS2: Johnson & Johnson stock outperforms market on strong trading day.NEWS3: Moscow Exchange to offer trading in U.S. blue chips from Aug. 24.NEWS4: U.S. Tightens Restrictions on Huawei’s Access to Chips.NEWS5: Pelosi Calls House Back Early to Vote on USPS Legislation.NEWS6: Covid-19 Vaccine Push Lacks a Key Ingredient: Trust.

Answer: Rise