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:2018-06-15, Stock:NVS, The news for the past five days is as follows:
2018-06-08: NEWS1: Health Care Sector Update for 06/08/2018: ADMA,TROV,ALNY,NVS.NEWS2: Health Care Sector Update for 06/08/2018: ADMA,TROV,ALNY,NVS.NEWS3: Health Care Sector Update for 06/08/2018: TROV, ALNY, NVS.NEWS4: Health Care Sector Update for 06/08/2018: TROV, ALNY, NVS.NEWS5: Pharma Stock Roundup: MRK Impresses at ASCO, LLY Gets FDA Nod for Olumiant.NEWS6: Health Care Sector Update for 06/08/2018: ALNY, NVS, MYOV, BTX, TROV.NEWS7: Health Care Sector Update for 06/08/2018: ALNY, NVS, MYOV, BTX, TROV.NEWS8: Roche Rituxan Label Expanded by FDA for Pemphigus Vulgaris.NEWS9: Detailed Research: Economic Perspectives on Koninklijke Philips N.V, Corporacion America Airports S.A, BHP Billiton, HSBC Holdings plc, Weatherford International, and Novartis AG — What Drives Growth in Today's Competitive Landscape.NEWS10: The Swiss Stock Market Finished In The Red, But Off Early Lows.NEWS11: The Swiss Stock Market Finished In The Red, But Off Early Lows.
2018-06-11: NEWS1: The Zacks Analyst Blog Highlights: Bristol Myers, Merck, Roche, Lilly and AbbVie.NEWS2: The Swiss Stock Market Jumped As Financial Stocks Outperform.NEWS3: The Swiss Stock Market Jumped As Financial Stocks Outperform.
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.

Answer: Decrease