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:2021-09-22, Stock:NVS, The news for the past five days is as follows:
2021-09-15: nan
2021-09-16: NEWS1: Novartis reports positive health-related quality of life data for 177Lu-PSMA-617 radioligand therapy in patients with advanced prostate cancer at ESMO 2021.NEWS2: Zymeworks' Zanidatamab Aces Mid-Stage Esophageal Cancer Trial.NEWS3: Are You a Value Investor? This 1 Stock Could Be the Perfect Pick.
2021-09-17: NEWS1: Novartis announces findings from a real-world study of alpelisib demonstrating clinical benefit in people with PIK3CA-Related Overgrowth Spectrum (PROS).NEWS2: Novartis' Prostate Cancer Therapy Linked To Improved Quality Of Life.
2021-09-20: NEWS1: Novartis' Kisqali Combo Therapy Extends Survival By One Year In Breast Cancer Patients.
2021-09-21: NEWS1: Top Research Reports for Facebook, Walmart & Novartis.NEWS2: 10 Stocks That Just Received Sell Rating from Analysts.NEWS3: Novartis Adds Vision Loss Gene Therapy Program Via Arctos Acquisition.NEWS4: Novartis buys gene therapy firm Arctos Medical in vision loss treatment push.NEWS5: European Stock Futures Higher; Fed Meeting Looms Large.

Answer: Decrease