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:2019-11-07, Stock:PFE, The news for the past five days is as follows:
2019-10-31: NEWS1: European agency highlights blood clot risks from Pfizer's arthritis drug.NEWS2: Exelixis (EXEL) Q3 Earnings Beat on Strong Cabometyx Sales.NEWS3: Bristol-Myers' (BMY) Q3 Earnings & Revenues Beat Estimates.NEWS4: Glaxo (GSK) Beats Q3 Earnings Estimates, Raises '19 EPS View.NEWS5: A Closer Look At Pfizer Inc.'s (NYSE:PFE) Impressive ROE.NEWS6: Small biotech Pinteon eyes large goal: a treatment for Alzheimer's.
2019-11-01: NEWS1: The Good, Bad, and Ugly for Biogen Stock.NEWS2: Pharma Stock Roundup: MRK, PFE, GSK, BMY Q3 Earnings, Other Updates.
2019-11-04: NEWS1: Marine algae keys Chinese claim to Alzheimer’s breakthrough.NEWS2: The Zacks Analyst Blog Highlights: Pfizer, Merck, Bristol-Myers and Glaxo.NEWS3: 5 Large-Cap Stocks Are Up More Than 100% This Year.NEWS4: Rounding Up Big Pharma Earnings.
2019-11-05: NEWS1: Coury on Mylan merger: 'We're moving the company to something quite different&quot;.NEWS2: Mylan shares slide 5.5% as CFRA downgrades to sell from hold.NEWS3: Mylan's (MYL) Q3 Earnings Beat Estimates, Revenues Miss.NEWS4: Which Companies Recently Raised Guidance?.NEWS5: Mylan Doles Out the Right Prescription for Investors.NEWS6: UPDATE 3-Mylan shares slide after warning of hit to revenue.NEWS7: Mylan shares slide after warning of hit to revenue.NEWS8: Mylan tops profit estimates as newer drugs spur North America growth.
2019-11-06: NEWS1: Pfizer Beats Earnings as Weekly Chart Stays Positive.

Answer: Decrease