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:2019-10-28, Stock:PFE, The news for the past five days is as follows:
2019-10-21: NEWS1: Pfizer (PFE) Stock Sinks As Market Gains: What You Should Know.NEWS2: What's in Store for Healthcare ETFs in Q3 Earnings?.NEWS3: What to expect from the landmark opioid trial.NEWS4: Opko and Pfizer announce positive results in late-stage trial of human growth hormone treatment.NEWS5: OPKO and Pfizer Announce Positive Phase 3 Top-Line Results for Somatrogon, an Investigational Long-Acting Human Growth Hormone to Treat Children with Growth Hormone Deficiency.NEWS6: TIMELINE-Popular heartburn medicine Zantac pulled off store shelves.
2019-10-22: NEWS1: Fitbit Stock Needs a Viable Growth Narrative for Q3.
2019-10-23: NEWS1: 'Fast Money Halftime Report' Traders Weigh In On Salesforce, Pfizer And More.
2019-10-24: NEWS1: Pfizer (PFE) to Report Q3 Earnings: What's in the Cards?.
2019-10-25: nan

Answer: Rise