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:2018-08-22, Stock:ABBV, The news for the past five days is as follows:
2018-08-15: NEWS1: [$$] 5 Dividend Standouts.NEWS2: MARKETS: Bank of America is still bullish on US stocks long-term—here's why.
2018-08-16: NEWS1: Here’s What Tesaro’s Valuation Trend Indicates.NEWS2: Analysts’ Expectations for Tesaro and Its Peers in August.NEWS3: Gauging Analysts’ Expectations for Novavax and Peers in August.NEWS4: The Klein Law Firm Reminds Investors of Class Actions on Behalf of Shareholders of COOL, TAL, FPI, ABBV and GDS.NEWS5: A Look at the Performance of Bausch Health’s Ortho Dermatologics.NEWS6: SHAREHOLDER ALERT: Pomerantz Law Firm Investigates Claims On Behalf of Investors of AbbVie Inc. - ABBV.
2018-08-17: NEWS1: 3 Growth Stocks for Successful Investors.NEWS2: 3 Growth Stocks for Successful Investors.NEWS3: 3 Growth Stocks for Successful Investors.NEWS4: New Drugs Approved In July.NEWS5: New Drugs Approved In July.
2018-08-20: NEWS1: AbbVie donates $100M to Ronald McDonald House Charities.NEWS2: 8 Undervalued Biotech Stocks to Watch.NEWS3: 8 Undervalued Biotech Stocks to Watch.NEWS4: Bay Area&apos;s 10th life science IPO this year raises $26M as No. 11 hopes to fetch $86M.NEWS5: Ronald McDonald House Houston receives its largest gift, part of $100M from AbbVie.NEWS6: Allergan’s International Business Segment in Q2 2018.NEWS7: 8 Undervalued Biotech Stocks to Watch.NEWS8: Allergan’s US Specialized Therapeutics Segment in Q2 2018.
2018-08-21: NEWS1: SHAREHOLDER ALERT: GLNCY GLCNF COOL FIZZ SBGL GOGO ACAD ABBV: The Law Offices of Vincent Wong Reminds Investors of Important Class Action Deadlines.NEWS2: Trade of the Day: AbbVie (ABBV).NEWS3: Trade of the Day: AbbVie (ABBV).NEWS4: 5 Low-Cost Biotech Stocks With High Levels of Growth.NEWS5: SHAREHOLDER ALERT - Bronstein, Gewirtz & Grossman, LLC Notifies Investors of Class Action Against AbbVie Inc. (ABBV) and Lead Plaintiff Deadline - September 24, 2018.NEWS6: Trade of the Day: AbbVie (ABBV).

Answer: Decrease