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:2019-11-21, Stock:PFE, The news for the past five days is as follows:
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.
2019-11-18: NEWS1: Stock Market News for Nov 18, 2019.NEWS2: FDA Approves Pfizer’s Biosimilar, ABRILADA™ (adalimumab-afzb) for Multiple Inflammatory Conditions.NEWS3: Pfizer- A Stealth Blockbuster in Heart Drugs.
2019-11-19: NEWS1: Akcea and Ionis Announce Closing of Licensing Agreement with Pfizer Inc. for Investigative Antisense Therapy AKCEA-ANGPTL3-L(Rx).NEWS2: Pfizer Gets FDA Approval for Biosimilar of AbbVie's Humira.NEWS3: Aerie to Acquire Dry Eye Disease-Focused Pharma Avizorex.NEWS4: How Pfizer (PFE) Stock Stands Out in a Strong Industry.NEWS5: Our Ultimate Stock-Pickers' Top 10 High-Conviction and New-Money Purchases.
2019-11-20: NEWS1: Dow falls 100 points on losses for shares of Home Depot, 3M.NEWS2: Dow's 175-point drop led by losses for shares of Home Depot, Apple Inc..NEWS3: Dow falls 75 points on losses for 3M, Pfizer shares.

Answer: Rise