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:2021-12-17, Stock:ABBV, The news for the past five days is as follows:
2021-12-10: NEWS1: Abbvie Inc (ABBV) Chairman of the Board and CEO Richard A Gonzalez Sold $21.5 million of Shares.NEWS2: Aprea (APRE) Reports FDA Removal of Clinical Hold on Study.NEWS3: AbbVie, SpringWorks Join Forces To Conduct Multiple Myeloma Combo Therapy Trial.NEWS4: Pharma Stock Roundup: PFE Booster Works on Omicron, AZN COVID Cocktail Gets FDA Nod.NEWS5: AbbVie Has First FDA Approved Blurry Vision Eye Drop.
2021-12-13: NEWS1: Exicure Stock Plunges After Results Of Internal Probe, Management Shakeup, Layoffs.NEWS2: SpringWorks (SWTX) & AbbVie Unite for Multiple Myeloma Drug.NEWS3: 10 High Dividend Stocks with Over 12% Yield.NEWS4: 10 Dividend Aristocrats to Buy for 2022.
2021-12-14: NEWS1: RINVOQ® (upadacitinib) Receives U.S. FDA Approval for Active Psoriatic Arthritis.NEWS2: Why Soliton Popped While the Market Slid Today.NEWS3: Day Hagan Logix Smart Value Fund Buys Werner Enterprises Inc, Landstar System Inc, FedEx Corp, ....NEWS4: Is It Too Late to Buy AbbVie Stock?.NEWS5: 10 High Dividend Stocks for 2022.NEWS6: 2 Warren Buffett Dividend Stocks to Buy Right Now.NEWS7: Big Money Buying Up AbbVie.NEWS8: Cornerstone Total Return Fund, Inc. Buys The Energy Select Sector SPDR Fund, India Fund Inc, ....
2021-12-15: NEWS1: FDA Approves AbbVie's JAK Inhibitor Application For Active Psoriatic Arthritis.NEWS2: AbbVie (ABBV) Rinvoq Gets FDA Nod for Active Psoriatic Arthritis.NEWS3: Lilly (LLY) Phase III Study in Ulcerative Colitis Meets Goal.NEWS4: Pfizer (PFE) COVID Pill Maintains Strong Efficacy, Stock Up.NEWS5: Idera Shares Fall After Early Tilsotolimod Data, Seeks Collaborating Partners For TLR9 Agonist.NEWS6: 5 Top Stock Gainers for Wednesday Before Fed's Key Policy Update.NEWS7: VIP Growth Opportunities Portfolio Buys Uber Technologies Inc, Lightspeed Commerce Inc, Chewy ....NEWS8: VIP Growth and Income Portfolio Buys Universal Music Group NV, Vertiv Holdings Co, Tourmaline ....NEWS9: VanEck Pharmaceutical ETF Buys Sanofi SA, AstraZeneca PLC, AbbVie Inc.
2021-12-16: NEWS1: AbbVie (ABBV) Gains As Market Dips: What You Should Know.NEWS2: Unstoppable Dividend King for 2022: AbbVie or Johnson & Johnson?.NEWS3: Allergan Aesthetics Completes Acquisition of Soliton.

Answer: Decrease