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:2020-04-23, Stock:PFE, The news for the past five days is as follows:
2020-04-16: NEWS1: How Colorado biotech companies are managing essential lab work during the COVID-19 pandemic.
2020-04-17: NEWS1: In a Pandemic, Pharma’s Strengths Emerge: Pipelines With Essential Drugs.NEWS2: U.S., European health agencies to partner drugmakers in coronavirus fight.NEWS3: Pharma Stock Roundup: JNJ's Q1 Earnings, Coronavirus Product Development Efforts.NEWS4: Drug trial specialists see coronavirus-fueled spike in demand for virtual services.NEWS5: Optimism Back in Wall Street? ETFs Areas to Win the Most.
2020-04-20: NEWS1: How this East Bay biotech pushed past the 'negativity' with a big boost to its kidney cancer drug.NEWS2: This Biotech Stock Just Blew Into A Profit-Taking Zone — Here's Why.NEWS3: Novartis To Initiate Hydroxychloroquine Study for Coronavirus.NEWS4: Is AbbVie Stock A Buy Amid The Ongoing Coronavirus Pandemic?.NEWS5: Pfizer Boulder gets FDA approval, talks next steps.NEWS6: 5 Best Leveraged ETF Areas of Last Week.NEWS7: CORRECTED-Bristol Myers says Opdivo performs well in kidney, lung cancer trials.NEWS8: RPT-Drug trial specialists see coronavirus-fueled spike in demand for virtual services.
2020-04-21: NEWS1: Here's Why We Think Pfizer (NYSE:PFE) Is Well Worth Watching.
2020-04-22: NEWS1: EU clears Mylan's purchase of Pfizer's Upjohn unit with conditions.NEWS2: Pfizer Rises on Nod to Start First In-Human COVID-19 Vaccine Trial in Germany.NEWS3: Healthcare ETFs Looks Strong Ahead of Q1 Earnings.NEWS4: The Dow's bounce is so far unanimous, with all 30 stocks gaining ground.NEWS5: The Daily Biotech Pulse: Immunic To Develop COVID Treatment, Gilead Strikes IO Partnership.NEWS6: U.S. Was Hit Earlier Than Thought; Singapore Surge: Virus Update.NEWS7: It'll be months before coronavirus vaccine is ready - German minister.NEWS8: Germany approves first trial of COVID-19 vaccine candidate.NEWS9: BioNTech and Pfizer announce regulatory approval from German authority Paul-Ehrlich-Institut to commence first clinical trial of COVID-19 vaccine candidates.

Answer: Rise