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:2020-12-15, Stock:ABBV, The news for the past five days is as follows:
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.
2020-12-10: NEWS1: RINVOQ™ (upadacitinib) Achieved Superiority Versus DUPIXENT® (dupilumab) For Primary and All Ranked Secondary Endpoints in Phase 3b Head-to-Head Study in Adults with Atopic Dermatitis.NEWS2: AbbVie's (ABBV) Rinvoq Meets Goal in Ulcerative Colitis Study.NEWS3: The Daily Biotech Pulse: Key Vaccine Adcom Review For Pfizer-BioNTech, Puma, Immutep, G1 Rally On Breast Cancer Conference Presentations.NEWS4: 3 Warren Buffett Dividend Stocks You Can Buy Right Now.
2020-12-11: NEWS1: 3 Large-Cap Dividend Stocks to Buy and Hold Before 2021.NEWS2: Pharma Stock Roundup: FDA Panel's Nod to PFE/BNTX Coronavirus Vaccine, Other Updates.NEWS3: CHMP Recommends the Approvals of RINVOQ™ (Upadacitinib) for the Treatment of Adults with Active Psoriatic Arthritis and Ankylosing Spondylitis.
2020-12-14: NEWS1: 3 Health Care Companies That Recently Raised Dividends.NEWS2: AbbVie's (ABBV) Rinvoq Gets CHMP Nod for Two New Indications.

Answer: Decrease