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:2018-12-18, Stock:ABBV, The news for the past five days is as follows:
2018-12-11: NEWS1: Gilead Sciences (GILD) Appoints Daniel O'Day as New CEO.NEWS2: Gilead Sciences (GILD) Appoints Daniel O'Day as New CEO.NEWS3: Gilead Sciences (GILD) Appoints Daniel O'Day as New CEO.NEWS4: 7 Stocks Wall Street Is Souring on Right Now.NEWS5: Bristol-Myers to Study Opdivo in Combo With Vedanta's VE800.NEWS6: Bristol-Myers to Study Opdivo in Combo With Vedanta's VE800.NEWS7: 4 “Powell-Proof” Stocks Set to Skyrocket in 2019 (and 1 to Sell Now).NEWS8: 4 “Powell-Proof” Stocks Set to Skyrocket in 2019 (and 1 to Sell Now).NEWS9: Venclexta: A Solid Growth Driver for AbbVie in Future Years.NEWS10: Bristol-Myers to Study Opdivo in Combo With Vedanta's VE800.NEWS11: Imbruvica: A Major Oncology Asset for AbbVie in 2018.NEWS12: How Worried Should You Be About AbbVie's $5.8 Billion Boondoggle?.NEWS13: How Worried Should You Be About AbbVie's $5.8 Billion Boondoggle?.NEWS14: Humira: AbbVie’s Major Revenue Driver in 2018.NEWS15: How Worried Should You Be About AbbVie&apos;s $5.8 Billion Boondoggle?.NEWS16: AbbVie (ABBV) Outpaces Stock Market Gains: What You Should Know.NEWS17: AbbVie (ABBV) Outpaces Stock Market Gains: What You Should Know.
2018-12-12: NEWS1: 5 Pharma Stocks That Could Cure Ailing Portfolios in 2019.NEWS2: 5 Pharma Stocks That Could Cure Ailing Portfolios in 2019.NEWS3: Why Neurocrine Biosciences Is Tanking.NEWS4: Why Neurocrine Biosciences Is Tanking.NEWS5: Notable ETF Outflow Detected - XLV, ABBV, ABT, CVS.NEWS6: Notable ETF Outflow Detected - XLV, ABBV, ABT, CVS.NEWS7: 5 Pharma Stocks That Could Cure Ailing Portfolios in 2019.NEWS8: 3 Beaten-Down Biotech Stocks That Could Bounce Back in 2019.NEWS9: 3 Beaten-Down Biotech Stocks That Could Bounce Back in 2019.NEWS10: Mavyret Is a Leading Drug in AbbVie’s HCV Franchise.NEWS11: AbbVie- High Yield at a Low Valuation.
2018-12-13: NEWS1: AbbVie Announces $5 Billion Increase to Stock Repurchase Program.
2018-12-14: NEWS1: AbbVie May Yield More Than It Appears.
2018-12-17: NEWS1: AbbVie (ABBV) Stock Moves -0.79%: What You Should Know.NEWS2: AbbVie Announces Executive Leadership Changes.NEWS3: Lilly says Taltz superior to Humira in late-stage psoriatic arthritis trial.

Answer: Decrease