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:2021-05-13, Stock:NVO, The news for the past five days is as follows:
2021-05-06: NEWS1: These Top 2 Healthcare Companies Are in a Race to Riches.
2021-05-07: NEWS1: Trading in Novo Nordisk shares by board members, executives and associated persons on 7 May 2021.NEWS2: Novo Nordisk A/S – Share repurchase programme.NEWS3: Novo Nordisk A/S purchases B shares worth DKK 2,586 million from Novo Holdings A/S under the 2021 share repurchase programme.NEWS4: PFE vs. NVO: Which Stock Should Value Investors Buy Now?.
2021-05-10: nan
2021-05-11: nan
2021-05-12: nan

Answer: Rise