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:2019-01-07, Stock:NVS, The news for the past five days is as follows:
2018-12-28: NEWS1: Conatus (CNAT) Focuses on Developing NASH Candidate Emricasan.
2018-12-31: NEWS1: Novartis (NVS) Benefits From New Drugs & Key Acquisitions.NEWS2: Novartis (NVS) Benefits From New Drugs & Key Acquisitions.NEWS3: Novartis (NVS) Benefits From New Drugs & Key Acquisitions.
2019-01-02: nan
2019-01-03: NEWS1: Bristol-Myers' (BMY) Sprycel Gets FDA Nod for Label Expansion.NEWS2: Bristol-Myers' (BMY) Sprycel Gets FDA Nod for Label Expansion.NEWS3: Verily lines up $1 billion investment.NEWS4: Bristol-Myers' (BMY) Sprycel Gets FDA Nod for Label Expansion.NEWS5: Will Pfizer's (PFE) Stock Keep Up the Momentum in 2019?.NEWS6: Will Pfizer's (PFE) Stock Keep Up the Momentum in 2019?.NEWS7: Ironwood/Allergan Settle Linzess Patent Litigation With Mylan.NEWS8: Ironwood/Allergan Settle Linzess Patent Litigation With Mylan.NEWS9: Ironwood/Allergan Settle Linzess Patent Litigation With Mylan.NEWS10: Will Pfizer's (PFE) Stock Keep Up the Momentum in 2019?.
2019-01-04: NEWS1: Tilray Gains More Than 200%: Is There More Scope for Growth?.NEWS2: These Stocks Pop After FDA Expedites Review Of Gene-Editing Therapy.

Answer: Decrease