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:2020-12-10, Stock:ABBV, The news for the past five days is as follows:
2020-12-03: NEWS1: Warren Buffett’s Woodstock for Capitalists Going Virtual Again in 2021.NEWS2: The Zacks Analyst Blog Highlights: Facebook, Netflix, AbbVie, American Airlines and Micron Technology.NEWS3: AbbVie (ABBV) Signs New Cancer/Immunology Deal With Frontier.
2020-12-04: NEWS1: Pharma Stock Roundup: Approval of PFE/BNTX Coronavirus Vaccine in UK, Other Updates.
2020-12-07: nan
2020-12-08: nan
2020-12-09: NEWS1: Former Allergan CEO: Pfizer's $19.50 COVID-19 vaccine dose price 'is a pretty good bargain'.NEWS2: 10 Dividend Stocks Warren Buffett Likes the Most.NEWS3: Upadacitinib (RINVOQ™) Meets Primary and All Ranked Secondary Endpoints in First Phase 3 Induction Study in Ulcerative Colitis.

Answer: Decrease