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:2018-07-31, Stock:NVO, The news for the past five days is as follows:
2018-07-24: NEWS1: Novartis’s Key Developments in July.NEWS2: Novartis’s Q2 2018 Earnings: Sandoz.
2018-07-25: nan
2018-07-26: NEWS1: Analysts’ Recommendations for Sanofi Stock before Q2 Results.
2018-07-27: NEWS1: NVO October 19th Options Begin Trading.NEWS2: NVO October 19th Options Begin Trading.
2018-07-30: nan

Answer: Decrease