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:2021-09-28, Stock:NVS, The news for the past five days is as follows:
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.
2021-09-22: NEWS1: The Zacks Analyst Blog Highlights: Facebook, Walmart, Novartis, PayPal and Advanced Micro Devices.
2021-09-23: nan
2021-09-24: NEWS1: Pharma Stock Roundup: PFE Booster Jab Gets FDA Nod, JNJ's New Data on COVID-19 Shot.
2021-09-27: nan

Answer: Decrease