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:2019-12-11, Stock:PFE, The news for the past five days is as follows:
2019-12-04: NEWS1: Bayer and Teva Double Down on Worst M&A Deals of Decade.NEWS2: Pfizer/Astellas Xtandi Gets Nod in China for Prostate Cancer (Revised).
2019-12-05: NEWS1: Dow Jones Today: Trade Influenced Stocks More Than Impeachment News.NEWS2: The biggest deals and attempted deals of the 2010s .NEWS3: Bristol-Myers' Orencia Gets Breakthrough Therapy Tag for GvHD.
2019-12-06: NEWS1: Pharma Stock Roundup: FDA Updates for RHHBY, AZN, MRK, No Asbestos in Talc Says JNJ.NEWS2: Glaxo Files NDA for Fostemsavir for Heavily Pre-Treated HIV.NEWS3: Acquisition Rumors Aren’t the Only Thing Moving Amarin Stock.NEWS4: After Biogen's big Alzheimer's drug data reveal, observers remain divided.
2019-12-09: NEWS1: Flagging French Drug Giant Tries a Familiar Remedy.NEWS2: Sanofi’s New CEO Is Aiming for a Narrower Focus in Drug Development.NEWS3: Biotech stocks are producing outsized gains — here’s how to get your share.NEWS4: Amgen Gets FDA Approval for J&J/Merck's Remicade Biosimilar.
2019-12-10: NEWS1: Dow Jones Today: Stocks Suffered From a Distinct Lack of Excitement.NEWS2: The Daily Biotech Pulse: ASH Meeting Wraps, Fast Track Designation For Equillium, Pfizer To Buy $3M In ContraFect Shares.

Answer: Decrease