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:2021-10-20, Stock:NVS, The news for the past five days is as follows:
2021-10-13: NEWS1: Why CRISPR Therapeutics Stock Is Sinking Today.
2021-10-14: NEWS1: 3 No-Brainer Stocks to Buy Right Now.NEWS2: Scientist behind Vertex CF drugs launches new startup with Atlas Venture.
2021-10-15: nan
2021-10-18: nan
2021-10-19: NEWS1: Global Heart Hub and Novartis partner to tackle ASCVD, a global health crisis and world’s #1 killer.

Answer: Rise