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:2018-04-11, Stock:NVO, The news for the past five days is as follows:
2018-04-04: nan
2018-04-05: NEWS1: Novo Nordisk buys blood drug licence to boost anaemic biopharma business.
2018-04-06: NEWS1: Novo Nordisk Obtains Licence for Sickle Cell Disease Program.NEWS2: Novo Nordisk Obtains Licence for Sickle Cell Disease Program.NEWS3: Novo Nordisk Obtains Licence for Sickle Cell Disease Program.NEWS4: A Glance At Potential Therapies For Sickle Cell Disease.NEWS5: A Glance At Potential Therapies For Sickle Cell Disease.
2018-04-09: nan
2018-04-10: NEWS1: Novo Nordisk Stock Performance in 1Q18.

Answer: Decrease