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:2019-04-25, Stock:NVS, The news for the past five days is as follows:
2019-04-17: NEWS1: Why A Highly Rated Biotech With A 54% Gain This Year Is Being Gutted.NEWS2: Health Care Sector Update for 04/17/2019: IONS,NVS,MASI,TXMD,ONCS.NEWS3: Health Care Sector Update for 04/17/2019: IONS,NVS,MASI,TXMD,ONCS.NEWS4: Here's Why Ionis Pharmaceuticals Slumped Today.NEWS5: Here's Why Ionis Pharmaceuticals Slumped Today.NEWS6: Here&apos;s Why Ionis Pharmaceuticals Slumped Today.NEWS7: Why A Highly Rated Biotech With A 54% Gain This Year Is Being Gutted.NEWS8: Marijuana ETF Down 9% in Past Month: Time to Enter the Space?.NEWS9: Marijuana ETF Down 9% in Past Month: Time to Enter the Space?.NEWS10: The Daily Biotech Pulse: Zolgensma Data, Roche Q1 Results, Brainsway IPO.NEWS11: Radius Health (RDUS) Rallies 33.4% YTD on Robust Tymlos Sales.NEWS12: Radius Health (RDUS) Rallies 33.4% YTD on Robust Tymlos Sales.NEWS13: Alnylam Initiates Phase III ILLUMINATE-B Study on Lumasiran.NEWS14: Alnylam Initiates Phase III ILLUMINATE-B Study on Lumasiran.
2019-04-18: NEWS1: Roche's (RHHBY) Q1 Sales Strong on Solid Demand for New Drugs.NEWS2: Roche's (RHHBY) Q1 Sales Strong on Solid Demand for New Drugs.NEWS3: Roche's (RHHBY) Q1 Sales Strong on Solid Demand for New Drugs.
2019-04-22: NEWS1: A Second Baby Died In A Gene Therapy Study — Slugging This Biotech Stock.NEWS2: Pfizer Stock Suffers From an Underappreciated Drugs Pipeline.NEWS3: Pfizer Stock Suffers From an Underappreciated Drugs Pipeline.NEWS4: Pfizer Stock Suffers From an Underappreciated Drugs Pipeline.
2019-04-23: NEWS1: Medicare offers to partially raise payment for cancer CAR-Ts.NEWS2: Kidney-Cancer Market: Good for Patients, Hard for Investors.NEWS3: Kidney-Cancer Market: Good for Patients, Hard for Investors.NEWS4: 2 Best Biotech Buyout Plays.NEWS5: 2 Best Biotech Buyout Plays.NEWS6: Health-care earnings: ‘Medicare for all’ looms large.NEWS7: Pre-Market Most Active for Apr 23, 2019 :  TWTR, STNE, NVS, BP, SNAP, LYFT, KO, STM, SQQQ, AMD, TSLA, AMRN.NEWS8: Pre-Market Most Active for Apr 23, 2019 :  TWTR, STNE, NVS, BP, SNAP, LYFT, KO, STM, SQQQ, AMD, TSLA, AMRN.NEWS9: Validea Peter Lynch Strategy Daily Upgrade Report - 4/23/2019.NEWS10: Validea Peter Lynch Strategy Daily Upgrade Report - 4/23/2019.NEWS11: Validea James P. O'Shaughnessy Strategy Daily Upgrade Report - 4/23/2019.NEWS12: Validea James P. O'Shaughnessy Strategy Daily Upgrade Report - 4/23/2019.
2019-04-24: NEWS1: Most-Bought European Stocks of Top Investors.NEWS2: Pharma Giant Eyes Better 2019 Profit And 3 New Blockbuster Hopefuls.NEWS3: Biogen says it will not give up on Alzheimer’s after failed trials.NEWS4: Novartis (NVS) Q1 Earnings Beat Estimates, Revenues Up Y/Y.NEWS5: Novartis (NVS) Q1 Earnings Beat Estimates, Revenues Up Y/Y.NEWS6: (OFFICIAL)-Novartis mulling $1.5 mln-$5 mln price range for SMA gene therapy.NEWS7: Novartis Stock Is Up Because Its Profit Beat Forecasts, and the CEO Is Upbeat.NEWS8: Novartis (NVS) Q1 Earnings Beat Estimates, Revenues Up Y/Y.NEWS9: Novartis Earnings Beat But Drug Giant&apos;s Sales Miss.NEWS10: The Daily Biotech Pulse: FDA Greenlights AbbVie's Psoriasis Drug, Novartis Earnings, Patent Notification For MediciNova.NEWS11: Novartis shares rise as Swiss drugmaker lifts 2019 profit outlook.NEWS12: Novartis: 1Q Earnings Snapshot.NEWS13: Novartis upgrades 2019 profit guidance on strong sales growth.NEWS14: Novartis boosts 2019 outlook on rising Cosentyx, Entresto sales.NEWS15: StockBeat - Elliott Effect Lifts SAP, as Softbank Bets on Wirecard.

Answer: Rise