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:2021-01-21, Stock:NVS, The news for the past five days is as follows:
2021-01-13: nan
2021-01-14: NEWS1: Beigene Stock Breaks Out To Record High On Cancer Drug OK In China.NEWS2: With Rare Speed, Gene Editing Emerges as Biotech’s New Cutting Edge.
2021-01-15: NEWS1: Novartis' (NVS) Ligelizumab Gets Breakthrough Therapy Status.NEWS2: Pharma Stock Roundup: LLY's Alzheimer Disease Data, NVS & SNY's M&A Deals.
2021-01-19: nan
2021-01-20: NEWS1: Top Stock Reports for Novartis, QUALCOMM & Accenture.NEWS2: TENX: Tenax Picks Up PH Precision Med.

Answer: Decrease