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:2019-10-18, Stock:NVS, The news for the past five days is as follows:
2019-10-11: NEWS1: Progenics Pharmaceuticals Needs a Treatment for Sickly Corporate Governance.NEWS2: Pharma Stock Roundup: NVS' New Eye Drug Gets FDA Nod, NVO, GSK, PFE Sign Deals.
2019-10-14: NEWS1: The Zacks Analyst Blog Highlights: Novartis, J&J, Pfizer, Novo Nordisk and Glaxo.NEWS2: Roche Announces Positive Late-Stage Data on Rituxan in PV.
2019-10-15: NEWS1: Sanofi opens new Framingham site amid $1.6B bet on bio-manufacturing.NEWS2: Sanofi opens new $1.5B bio-manufacturing site in Framingham.NEWS3: Rossini S.a r.l -- Moody's assigns B3 rating to Rossini's new notes.
2019-10-16: NEWS1: Incyte reports positive results in late-stage trial of treatment for GVHD.
2019-10-17: NEWS1: Novartis' Jakavi Meets Primary Goal in Phase III for GVHD.NEWS2: Roche Posts Solid Sales for First 9 Months of '19, Ups View.

Answer: Decrease