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:2019-09-25, Stock:PFE, The news for the past five days is as follows:
2019-09-18: NEWS1: Merck's Keytruda Combo Gets FDA Nod for Endometrial Carcinoma.
2019-09-19: NEWS1: 5 Companies Growing Earnings.NEWS2: Pfizer Is Spinning Off Upjohn. What’s Left Will Be No Bargain, Analyst Says.NEWS3: Pfizer Presents Scientific Advancements in Cancer Care at the ESMO Congress 2019 Highlighting Expanded Portfolio.
2019-09-20: NEWS1: Walgreens Boots, Pfizer share gains contribute to Dow's nearly 75-point jump.NEWS2: Pharma Stock Roundup: FDA Approves Expanded Use of MRK/J&J's Drugs & Other Updates.
2019-09-23: NEWS1: US Indexes Close Mostly Flat Monday.NEWS2: Pfizer (PFE) Dips More Than Broader Markets: What You Should Know.NEWS3: Getting technical on a Dow 30,000 call.NEWS4: Aerie Secures Positive CHMP Opinion for Eye Drug Rhokiinsa.NEWS5: These 3 Long-Term Dividend Payers Offer a High Forward Yield.NEWS6: Dow flat despite losses for shares of Dow Inc., UnitedHealth.NEWS7: Lilly Gets CHMP Nod to Add Heart Indication to Trulicity Label.NEWS8: Pfizer's Bavencio Gets CHMP Recommendation for First-Line RCC.
2019-09-24: NEWS1: Bristol-Myers Squibb Company -- Moody's: China's rising demand for drugs will fuel foreign pharma companies' growth into 2023.NEWS2: Pfizer Declares Fourth-Quarter 2019 Dividend.NEWS3: Exact Sciences Gets FDA Nod for Label Expansion of Cologuard.NEWS4: Pfizer Presents New Evidence of IBRANCE® (palbociclib) Effectiveness in HR+, HER2- Metastatic Breast Cancer Patients in Four Real-World Studies at ESMO Congress 2019.NEWS5: European biotech firm BioNtech plans to raise nearly $304 mln in U.S. IPO.NEWS6: LabCentral co-founder issues ‘call to action' to biotechs on drug pricing.

Answer: Decrease