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:2020-01-23, Stock:NVS, The news for the past five days is as follows:
2020-01-15: nan
2020-01-16: NEWS1: Gene therapies test Europe’s willingness to pay.
2020-01-17: NEWS1: Will J&J (JNJ) Roll Out Pharma Q4 Earnings With a Beat?.NEWS2: Pharma Stock Roundup: LLY Dermira Buyout Offer, Pipeline & Regulatory Updates.
2020-01-21: NEWS1: Novartis (NVS) Gets Approval for MS Drug Mayzent in Europe.NEWS2: Puma Biotech's (PBYI) Breast Cancer Drug Nerlynx Aids Growth.NEWS3: Jazz's (JAZZ) New Sleep Drug Sunosi Gets Approval in Europe.
2020-01-22: NEWS1: Health stocks reverse coronavirus gains as one analyst says the market is overreacting.

Answer: Decrease