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:2021-09-30, Stock:NVS, The news for the past five days is as follows:
2021-09-23: nan
2021-09-24: NEWS1: Pharma Stock Roundup: PFE Booster Jab Gets FDA Nod, JNJ's New Data on COVID-19 Shot.
2021-09-27: nan
2021-09-28: nan
2021-09-29: NEWS1: Novartis and Medicines for Malaria Venture Report Positive Results for Phase 2b Study of Novel Ganaplacide/Lumefantrine Combination in Children With Malaria.NEWS2: Novartis Posts New Data Reinforcing Efficacy, Convenience Of Cosentyx Autoinjector In Psoriasis.NEWS3: This Potential Indication Could Be a Winner for Novartis.

Answer: Decrease