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:2021-11-17, Stock:ABBV, The news for the past five days is as follows:
2021-11-10: NEWS1: AbbVie, University of Chicago Extend Research Collaboration to Support Preclinical Oncology Research Through 2025.NEWS2: AbbVie to Present at the Wolfe Research Healthcare Conference.
2021-11-11: nan
2021-11-12: NEWS1: RegenxBio’s deal with AbbVie just closed. It could mean more than $1B for the local company..
2021-11-15: NEWS1: Berkshire Cuts Visa, Mastercard Bets, Trims Some Drug Stakes.NEWS2: 2 High-Yield Dividend Stocks That Can Safeguard Your Portfolio Against a Market Crash.NEWS3: Allergan Aesthetics Celebrates Third Annual BOTOX® Cosmetic (onabotulinumtoxina) Day.NEWS4: 10 Best Biotech Stocks to Buy According to Mark Lampert’s Biotechnology Value Fund.
2021-11-16: NEWS1: Report says drugmakers impose unjustified U.S. price increases; spending on AbbVie drug rises $1.4 billion.

Answer: Rise