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:2018-06-19, Stock:NVS, The news for the past five days is as follows:
2018-06-12: NEWS1: Allergan's Second Anti-CGRP Drug Positive in Mid-Stage Study.NEWS2: Allergan's Second Anti-CGRP Drug Positive in Mid-Stage Study.NEWS3: Alzheimer's Research Stumbles Again: What's the Road Ahead?.NEWS4: Alzheimer's Research Stumbles Again: What's the Road Ahead?.NEWS5: Allergan&apos;s Second Anti-CGRP Drug Positive in Mid-Stage Study.NEWS6: Alzheimer&apos;s Research Stumbles Again: What&apos;s the Road Ahead?.NEWS7: The Swiss Stock Market Finished With A Small Gain.NEWS8: The Swiss Stock Market Finished With A Small Gain.
2018-06-13: NEWS1: Galmed (GLMD) Soars on Positive NASH Data on Aramchol.NEWS2: Galmed (GLMD) Soars on Positive NASH Data on Aramchol.NEWS3: Should CRISPR Stock Investors Worry About Cancer?.NEWS4: Should CRISPR Stock Investors Worry About Cancer?.NEWS5: The Swiss Stock Market Dipped In Choppy Trade.NEWS6: The Swiss Stock Market Dipped In Choppy Trade.NEWS7: Novan to Participate in Upcoming Investor Conferences.
2018-06-14: NEWS1: Mylan (MYL) to Get CRL Again for Generic Advair from FDA.NEWS2: Mylan (MYL) to Get CRL Again for Generic Advair from FDA.NEWS3: Allergan (AGN) Presents Positive Data on Glaucoma Candidate.NEWS4: Allergan (AGN) Presents Positive Data on Glaucoma Candidate.NEWS5: Allergan (AGN) Presents Positive Data on Glaucoma Candidate.NEWS6: The Swiss Stock Market Finished Higher Following Afternoon Rally.NEWS7: The Swiss Stock Market Finished Higher Following Afternoon Rally.NEWS8: Is the future of therapy online? Swiss drug giant Novartis thinks so.
2018-06-15: NEWS1: Why Verastem Stock Rocketed Higher Today.NEWS2: Why Verastem Stock Rocketed Higher Today.NEWS3: Roche Announces Positive Data on Gazyva and MS Drug Ocrevus.NEWS4: Roche Announces Positive Data on Gazyva and MS Drug Ocrevus.NEWS5: Does Novartis AG (NYSE:NVS) Have A Place In Your Portfolio?.NEWS6: The Swiss Stock Market Pulled Back On Renewed Trade Concerns.NEWS7: The Swiss Stock Market Pulled Back On Renewed Trade Concerns.NEWS8: European Markets Dropped On Renewed Trade War Worries.NEWS9: European Markets Dropped On Renewed Trade War Worries.NEWS10: Novartis survey uncovers real-world impact of immune thrombocytopenia or ITP, a rare blood disease, on patients' quality of life.NEWS11: European Shares Mixed Amid Trade Tensions.NEWS12: European Shares Mixed Amid Trade Tensions.NEWS13: Novartis touts effectiveness, safety of autoimmune drug copies.NEWS14: [$$] Prosecutors Investigating Michael Cohen for Possible Illegal Lobbying.
2018-06-18: NEWS1: Teva to Discontinue a Fremanezumab Study on Cluster Headache.NEWS2: Teva to Discontinue a Fremanezumab Study on Cluster Headache.NEWS3: Novartis Announces Positive Data on CAR-T Therapy, Kymriah.NEWS4: Novartis Announces Positive Data on CAR-T Therapy, Kymriah.NEWS5: Roche SMA drug shines in study as costly new therapies advance.NEWS6: Large Cap Pharma Stock Outlook: Short-Term Struggle Likely.NEWS7: Large Cap Pharma Stock Outlook: Short-Term Struggle Likely.NEWS8: Novartis Announces Positive Data on CAR-T Therapy, Kymriah.NEWS9: The Swiss Stock Market Dropped On Trade Concerns.NEWS10: The Swiss Stock Market Dropped On Trade Concerns.NEWS11: European Markets Dropped On German Political Uncertainty.NEWS12: European Markets Dropped On German Political Uncertainty.NEWS13: European Shares Fall As Trade Worries Mount.NEWS14: European Shares Fall As Trade Worries Mount.NEWS15: Alcon: Study Shows Better Outcomes With AcrySof IQ PanOptix Intraocular Lens.NEWS16: Alcon: Study Shows Better Outcomes With AcrySof IQ PanOptix Intraocular Lens.

Answer: Decrease