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:2019-11-18, Stock:PFE, The news for the past five days is as follows:
2019-11-11: NEWS1: Pfizer-Merck KGaA's Bavencio Fails in 2nd Gastric Cancer Study.NEWS2: Walgreens' stock surge providing a 25-point cushion to the Dow's price.
2019-11-12: NEWS1: Mylan and Pfizer Announce Viatris as the New Company Name in the Planned Mylan-Upjohn Combination.NEWS2: Mylan and Pfizer Announce Viatris as the New Company Name in the Planned Mylan-Upjohn Combination.NEWS3: Pfizer Announces Results of Phase 3 Study for XELJANZ® (tofacitinib) in Juvenile Idiopathic Arthritis Ahead of Presentation at 2019 American College of Rheumatology/Association of Rheumatology Professionals Annual Meeting.
2019-11-13: NEWS1: UPDATE 1-J&J blockbuster loses ground to biosimilars despite Quebec court ruling.NEWS2: Should Investors Add Johnson & Johnson Stock to Their Shopping Lists?.NEWS3: Abbott Labs Chooses an Insider to Be Its New CEO.NEWS4: CENTOGENE Signs Data Access and Collaboration Agreement with Pfizer Inc..NEWS5: J&J's Remicade losing ground in Quebec health plan despite court victory.
2019-11-14: nan
2019-11-15: NEWS1: US Indexes Close Higher Friday and for the Week.NEWS2: Dow Jones Today: Stocks Climb on U.S.-China Trade Developments.NEWS3: Dow's 175-point jump led by gains in shares of UnitedHealth, Pfizer.NEWS4: Bristol-Myers Squibb and Pfizer Announce Randomized, Controlled Trial to Evaluate the Effect of Atrial Fibrillation Screening on Health Outcomes in Older Individuals.NEWS5: 3 Big Stock Charts for Friday: Snap, Pfizer and Splunk.NEWS6: Pharma Stock Roundup: MRK, GSK, ABBV, LLY's Pipeline & Regulatory Updates.NEWS7: 4 Big Drugmakers to Bet on After a Great Earnings Season.

Answer: Decrease