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:2020-02-18, Stock:PFE, The news for the past five days is as follows:
2020-02-10: NEWS1: AbbVie Is Nearing Takeover Of Allergan — Is It Time To Add AbbVie Stock?.
2020-02-11: NEWS1: The Zacks Analyst Blog Highlights: Microsoft, JP Morgan Chase and Pfizer.NEWS2: Pfizer Stock Tumbled On Its Earnings Report — Should You Add Shares?.NEWS3: XTANDI® (enzalutamide) Demonstrates Significant Improvement in Overall Survival in Phase 3 PROSPER Trial of Patients with nmCRPC.NEWS4: The Daily Biotech Pulse: LogicBio Slapped With Clinical Hold, Agile Inks Debt Deal Ahead of Twirla Approval, Gilead Builds Stake In Sierra Oncology.
2020-02-12: NEWS1: Pfizer's Xtandi Improves OS Rate in Prostate Cancer Study.NEWS2: Buy AbbVie for its Growth Prospects, Yield and Low Valuation.
2020-02-13: NEWS1: US Indexes Close Lower Thursday.NEWS2: Cisco, Dow Inc. share losses contribute to Dow's 100-point drop.NEWS3: Cisco, Dow Inc. share losses lead the way, but Dow flat.NEWS4: Dow's nearly 100-point drop led by losses for shares of Cisco, Dow Inc..
2020-02-14: NEWS1: Pfizer-backed biopharma company Imara files for IPO.NEWS2: IBM, Caterpillar share losses contribute to Dow's 75-point fall.

Answer: Decrease