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:2019-10-08, Stock:NVO, The news for the past five days is as follows:
2019-10-01: NEWS1: An Intrinsic Calculation For Novo Nordisk A/S (CPH:NOVO B) Suggests It's 25% Undervalued.NEWS2: Insulin maker Novo Nordisk walks moral tightrope.NEWS3: Novo Nordisk walks tightrope on moral mission.
2019-10-02: nan
2019-10-03: nan
2019-10-04: NEWS1: Gilead's Descovy HIV Regimen Gets FDA Nod for Label Expansion.
2019-10-07: NEWS1: Novo Nordisk Focuses on Pipeline Development Amid Competition.

Answer: Decrease