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:2021-05-19, Stock:NVS, The news for the past five days is as follows:
2021-05-12: nan
2021-05-13: nan
2021-05-14: nan
2021-05-17: NEWS1: Supreme Court Rebuffs Novartis Appeal Over Amgen's Arthritis Drug Enbrel: Report.NEWS2: Novartis' Entresto Misses Primary Endpoint In Study After Heart Attacks.NEWS3: US Supreme Court denies Sandoz petition to review biosimilar Erelzi® (etanercept-szzs) case.NEWS4: UPDATE 2-U.S. Supreme Court snubs Novartis appeal over arthritis drug Enbrel.NEWS5: U.S. Supreme Court snubs Novartis appeal over arthritis drug Enbrel.
2021-05-18: NEWS1: Sandoz announces plans to further strengthen its antibiotics manufacturing setup in Europe.

Answer: Decrease