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:2018-02-28, Stock:NVS, The news for the past five days is as follows:
2018-02-21: NEWS1: Is Amgen Inc. a Buy?.NEWS2: Is Amgen Inc. a Buy?.NEWS3: Teva's Problems Continue to Mount With No Relief in Sight.NEWS4: Teva's Problems Continue to Mount With No Relief in Sight.NEWS5: ACZ885: A Robust Treatment Option for Reducing Cardiovascular Risk?.NEWS6: Analysts’ Recommendations for GlaxoSmithKline after 4Q17 Earnings.NEWS7: Novartis Plans to Expand its Multiple Sclerosis Portfolio in 2018.NEWS8: How Did JNJ’s Vision Care Segment Perform in 4Q17 and 2017?.NEWS9: Novartis Expects FDA and EMA Approvals for Aimovig in 2018.NEWS10: The Swiss Stock Market Inched Higher As Heavyweights Underperform.NEWS11: The Swiss Stock Market Inched Higher As Heavyweights Underperform.NEWS12: [$$] Novartis CEO Steers Drug Maker Back to R&D.NEWS13: Novartis Bribery Case in Greece Threatens to Bolster Populists.
2018-02-22: NEWS1: Momenta Pharmaceuticals Wraps Up a Bleak Year.NEWS2: Momenta Pharmaceuticals Wraps Up a Bleak Year.NEWS3: Health Care Sector Update for 02/22/2018: CLVS,SGMO,GILD,BKD.NEWS4: Health Care Sector Update for 02/22/2018: CLVS,SGMO,GILD,BKD.NEWS5: Update on JNJ’s Consumer Products: Baby Care, Beauty, and Oral Care.NEWS6: Comparing Eli Lilly’s Business Segments in 4Q17.NEWS7: Eli Lilly’s Human Pharmaceutical Portfolio in 4Q17.NEWS8: Ligand (LGND) Q4 Earnings & Revenues Top, 2018 View Solid.NEWS9: Ligand (LGND) Q4 Earnings & Revenues Top, 2018 View Solid.NEWS10: Medicines Company (MDCO) Reports Q4 Loss, Revenues Slump Y/Y.NEWS11: Medicines Company (MDCO) Reports Q4 Loss, Revenues Slump Y/Y.NEWS12: Greece votes to probe politicians in alleged drug bribery case.NEWS13: Health Care Sector Update for 02/22/2018: SGMO, GILD, CLVS, NVO, NVS, BKD.NEWS14: Health Care Sector Update for 02/22/2018: SGMO, GILD, CLVS, NVO, NVS, BKD.NEWS15: [$$] Greek Parliament Investigates Politicians in Novartis Bribery Probe.NEWS16: The Swiss Stock Market Finished Lower Despite NestlÃ© Strength.NEWS17: The Swiss Stock Market Finished Lower Despite NestlÃ© Strength.NEWS18: [$$] Greek parliament backs Novartis probe.NEWS19: Novartis Says Ultibro Breezhaler Significantly Improved Lung, Cardiac Function.NEWS20: Novartis Says Ultibro Breezhaler Significantly Improved Lung, Cardiac Function.
2018-02-23: NEWS1: What Investors Can Expect from Vanda Pharmaceuticals in 2018.NEWS2: A Look at Vanda Pharmaceuticals’ Product Portfolio.NEWS3: VEA, LEGR: Big ETF Inflows.NEWS4: VEA, LEGR: Big ETF Inflows.NEWS5: VT, NSRGY, VZ, NVS: Large Inflows Detected at ETF.NEWS6: VT, NSRGY, VZ, NVS: Large Inflows Detected at ETF.NEWS7: Johnson & Johnson’s Simponi Could See Steady Growth in 2018.NEWS8: The Swiss Stock Market Finished The Week With A Loss.NEWS9: The Swiss Stock Market Finished The Week With A Loss.NEWS10: [$$] Greek Parliament Investigates Politicians in Novartis Bribery Probe.NEWS11: bluebird bio Updates Plans for the Year Ahead.NEWS12: bluebird bio Updates Plans for the Year Ahead.
2018-02-26: NEWS1: Biogen&apos;s Multiple Sclerosis Drug Franchise Takes Another Hit.NEWS2: What’s Expected for Novo Nordisk’s Net Income Margin in 2018.NEWS3: 7 Europe Dividend ETFs for Overseas Income.NEWS4: Novo Nordisk Expected to Report Flat Revenue in 2018.NEWS5: Analysts’ Recommendations for Novo Nordisk and Peers in 2018.NEWS6: Johnson & Johnson’s Oncology Segment’s Performance in 2017.NEWS7: The Swiss Stock Market Climbed Back Above 9,000 Points.NEWS8: The Swiss Stock Market Climbed Back Above 9,000 Points.
2018-02-27: NEWS1: TTOO Gains Steam, LPCN Up On Upgrade, ALDX Abuzz.NEWS2: TTOO Gains Steam, LPCN Up On Upgrade, ALDX Abuzz.NEWS3: Lilly's Verzenio Wins FDA Nod for First Line Breast Cancer.NEWS4: Lilly's Verzenio Wins FDA Nod for First Line Breast Cancer.NEWS5: JNJ’s Cardiovascular Segment’s Performance in 4Q17 and 2017.NEWS6: 5 Things Exelixis Inc. Management Wants You to Know About the Biotech's Future.NEWS7: 5 Things Exelixis Inc. Management Wants You to Know About the Biotech's Future.NEWS8: Large and Small: Here’s What’s Moving Eli Lilly and Zosano.NEWS9: The Swiss Stock Market Pulled Back Below 9,000 Points.NEWS10: The Swiss Stock Market Pulled Back Below 9,000 Points.

Answer: Decrease