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:2021-06-22, Stock:NVS, The news for the past five days is as follows:
2021-06-15: nan
2021-06-16: NEWS1: FDA ‘shifting the bar’ for approval with new Alzheimer’s drug: Eli Lilly CEO.
2021-06-17: NEWS1: CureVac Shares Plunge Premarket on Disappointing Covid-19 Vaccine Trial.NEWS2: By next summer we'll have enough vaccines to vaccinate the world: Eli Lilly CEO.NEWS3: Influencers with Andy Serwer: David Ricks.
2021-06-18: NEWS1: New Zolgensma data demonstrate age-appropriate development when used presymptomatically and rapid, clinically meaningful efficacy in symptomatic children, even those with severe SMA at baseline.
2021-06-21: NEWS1: Novartis Touts More Positive Zolgensma Data In Spinal Muscular Atrophy Patients.

Answer: Decrease