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:2018-07-19, Stock:NVO, The news for the past five days is as follows:
2018-07-12: nan
2018-07-13: NEWS1: Novozymes and Novo Nordisk sign deal to source power from Denmark’s largest wind farm.
2018-07-16: nan
2018-07-17: NEWS1: NVO Crosses Above Key Moving Average Level.NEWS2: NVO Crosses Above Key Moving Average Level.
2018-07-18: nan

Answer: Decrease