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:2020-10-21, Stock:PFE, The news for the past five days is as follows:
2020-10-14: NEWS1: There are seven coronavirus vaccine candidates being tested in the U.S. — here’s where they stand.
2020-10-15: nan
2020-10-16: NEWS1: ‘The market is grappling with what the election means’: Darrell Cronk.NEWS2: GLOBAL MARKETS-Pfizer vaccine hopes lift world stocks; dollar, gold on the defensive.NEWS3: Stock Market Today: Cheerful Consumer Data Gives Stocks a Small Bump.NEWS4: Stocks End Mixed Amid Retail Sales, Consumer Sentiment; Boeing Up.NEWS5: Dow Jones Leads On Strong Retail Sales Despite Afternoon Sell-Off.NEWS6: REFILE-US STOCKS-Dow advances, S&P ekes out gain as vaccine timeline comes into focus.NEWS7: US STOCKS-S&P 500, Dow close higher on vaccine update, retail sales beat.NEWS8: I think ‘we’re at the beginning of a third surge’ of coronavirus: Advancing Health Equity CEO.NEWS9: Coronavirus Latest: Friday, October 16.NEWS10: Why Peloton Stock Dropped 4% Today.NEWS11: Misinformation is the 'biggest concern' leading up to election: CrowdStrike President.NEWS12: EMERGING MARKETS-Latam FX up on vaccine optimism, Chile's peso breaks 4-day losing streak.NEWS13: Pfizer could apply for COVID-19 vaccine emergency use by November.NEWS14: US STOCKS-Wall Street gains on vaccine news, retail sales surprise.NEWS15: Pfizer Targeting Late November for Covid Vaccine Application.NEWS16: Dow Jones Leads As Stock Market Rallies On Retail Sales, Coronavirus News.NEWS17: Explainer: When will COVID-19 vaccines be generally available in the United States?.NEWS18: US STOCKS-Wall St inches higher on Pfizer vaccine update, upbeat consumer data.NEWS19: WHO Questions Effectiveness of Remdesivir on Covid-19 Death Rates.NEWS20: EMERGING MARKETS-Latam FX rises on vaccine hopes, Chile's peso bucks 4-day losing streak.
2020-10-19: NEWS1: Pfizer: The Pace of COVID-19 Vaccine Development Is Remarkable, Says Analyst.NEWS2: Pfizer (PFE) Stock Moves -0.4%: What You Should Know.NEWS3: ‘The most difficult phase of the epidemic is ahead of us’: doctor.NEWS4: Bristol Myers Squibb, Exelixis Granted FDA Priority Review For Kidney Cancer Treatment.NEWS5: Dow Jones Today, Stocks Rise On Stimulus Hope, China Data; Conoco To Buy Concho; Getting A Handle On Apple's Base.
2020-10-20: NEWS1: U.S. COVID-19 cases climbing to new peak amid fall surge.NEWS2: Coronavirus Latest: Tuesday, October 20.NEWS3: Doctor of COVID-19 vaccine: It’s ‘unlikely’ we’ll see the data before the election.NEWS4: Covid-19 Vaccines Could Take a Critical Next Step in November — Just Not In Time for the Election.NEWS5: CORRECTED-Mexico could absorb some COVID-19 vaccine liabilities.NEWS6: Were Hedge Funds Right About Pfizer Inc. (PFE)?.NEWS7: Earnings Preview: Pfizer (PFE) Q3 Earnings Expected to Decline.NEWS8: Coronavirus update: U.S. braces for third wave; Moderna manages vaccine expectations.NEWS9: Is Pfizer Inc. (NYSE:PFE) Popular Amongst Institutions?.NEWS10: Exelixis' (EXEL) Cabometyx Combo Approved by FDA for RCC.NEWS11: UK launches world's first human challenge trial for COVID-19 with hVivo.NEWS12: Moderna's COVID-19 vaccine timeline.NEWS13: These are the 3 best dividend yield investments for 2021.NEWS14: Pfizer (PFE) to Report Q3 Earnings: What's in the Cards?.NEWS15: 3 Critical Near-Term Milestones to Watch With Pfizer's Coronavirus Vaccine.NEWS16: Pfizer, BioNTech start combined trials of COVID-19 vaccine candidate in Japan.

Answer: Decrease