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:2020-04-21, Stock:NVS, The news for the past five days is as follows:
2020-04-14: NEWS1: Biotech Giant Amgen Entered The Coronavirus Arena — But Is It A Buy?.
2020-04-15: nan
2020-04-16: NEWS1: Five Minutes With.... Cytiva CEO Emmanuel Ligner.NEWS2: Roche Most Innovative, Astra Zeneca Most Inventive.NEWS3: Eye disease startup to move to Mass. after Shire alum named CEO.
2020-04-17: NEWS1: In a Pandemic, Pharma’s Strengths Emerge: Pipelines With Essential Drugs.NEWS2: Incyte, Novartis launch drug study to treat coronavirus complication.NEWS3: European stocks climb on hopes over coronavirus drug treatment.
2020-04-20: NEWS1: Pharma giant acquires Phoenix-based startup developing eye treatments.NEWS2: U.S. stocks finish near session lows as oil market crash overshadows plans to ease global lockdowns.NEWS3: Coronavirus update: 2.44 million cases worldwide, 167,369 deaths; and U.S. restaurants seek billions in federal aid.NEWS4: Novartis To Initiate Hydroxychloroquine Study for Coronavirus.NEWS5: Coronavirus update: 2.42 million cases worldwide, 166,256 deaths; and U.S. restaurants seek billions in federal aid.NEWS6: Novartis Gets FDA Nod to Start Malaria Drug Trial For Coronavirus Cure.NEWS7: Novartis to run COVID-19 trial of antimalaria drug touted by Trump.NEWS8: Novartis to Test Anti-Malaria Drug as Potential Coronavirus Treatment.NEWS9: Dow, S&P 500 futures down about 2% as investors weigh global lockdown easings, tanking oil.NEWS10: Why The Coronavirus Won't Shake Biotechs From Investing In China.NEWS11: European stocks extend rally as recovery hopes continue.NEWS12: Novartis Buys U.S. Start-Up Amblyotech For Lazy Eye Treatment.NEWS13: Novartis to test efficacy of old malaria drug against COVID-19.NEWS14: Novartis, U.S. drug regulator agree to malaria drug trial against COVID-19.NEWS15: Novartis to conduct hydroxychloroquine trial for hospitalized COVID-19 patients.

Answer: Decrease