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:2019-09-09, Stock:NVO, The news for the past five days is as follows:
2019-08-30: nan
2019-09-03: nan
2019-09-04: NEWS1: Vertex (VRTX) Inks All-Cash Deal to Acquire Semma for $950M.
2019-09-05: nan
2019-09-06: NEWS1: UPDATE 1-Novo Nordisk to cut insulin prices in the U.S..NEWS2: Novo Nordisk to cut insulin prices in the U.S..NEWS3: 2 Stocks to Watch in September.

Answer: Decrease