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:2021-11-19, Stock:NVS, The news for the past five days is as follows:
2021-11-12: nan
2021-11-15: NEWS1: 7 Stocks to Buy That Will Make You Rich by 2030.
2021-11-16: NEWS1: Report says drugmakers impose unjustified U.S. price increases; spending on AbbVie drug rises $1.4 billion.NEWS2: See Why Molecular Partners Shares Dropped To 52-Week Low During Tuesday Premarket?.
2021-11-17: nan
2021-11-18: NEWS1: Novartis Has $21B From Roche Stake Sale - Which Company Is On Its M&A Radar?.NEWS2: TENX: Imatinib IND Cleared & PK Study Near End.

Answer: Decrease