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:2020-02-21, Stock:PFE, The news for the past five days is as follows:
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.
2020-02-18: NEWS1: Mylan-Upjohn merger filings contemplate coronavirus impact.NEWS2: AbbVie's $63 Billion Allergan Takeover Is Looming — Is It Time To Add Shares?.NEWS3: The Triangle's big slice of NC bio/pharma pie – List Insights.NEWS4: European Commission Approves VYNDAQEL®, the First Treatment in the EU for Transthyretin Amyloid Cardiomyopathy (ATTR-CM).
2020-02-19: NEWS1: Pfizer's Cardiomyopathy Drug Vyndaqel Gets Approval in Europe.
2020-02-20: NEWS1: Nation’s largest insurer invests in Waltham healthcare AI startup.NEWS2: Dow down 75 points on losses for shares of Intel, UnitedHealth.

Answer: Decrease