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:2021-10-06, Stock:NVO, The news for the past five days is as follows:
2021-09-29: nan
2021-09-30: NEWS1: AstraZeneca (AZN) to Buy Full Stake in Rare Disease Drugmaker.NEWS2: 3 Big Drug/Biotech Stocks to Boost Your Portfolio's Health.NEWS3: 3 Healthcare Stocks to Buy and Hold for the Next 10 Years.
2021-10-01: NEWS1: The Zacks Analyst Blog Highlights: Pfizer, Novo Nordisk and Sanofi.
2021-10-04: NEWS1: Novo Nordisk A/S – Share repurchase programme.
2021-10-05: nan

Answer: Decrease