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:2019-12-23, Stock:AMT, The news for the past five days is as follows:
2019-12-16: NEWS1: American Tower Corporation Calls for Redemption All of Its Outstanding 5.900% Senior Notes.
2019-12-17: nan
2019-12-18: NEWS1: Boston Properties Announces 3% Sequential Hike in Dividend.
2019-12-19: NEWS1: American Tower Corporation to Present at the Citi 2020 Global TMT West Conference.
2019-12-20: nan

Answer: Decrease