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:2021-12-23, Stock:AMT, The news for the past five days is as follows:
2021-12-16: NEWS1: Fidelity Magellan Fund Buys Roper Technologies Inc, Teledyne Technologies Inc, Equinix Inc, ....NEWS2: American Tower Corporation Announces Election of Teresa H. Clarke to Board of Directors and Declares Quarterly Distribution.
2021-12-17: NEWS1: Fidelity Destiny Portfolios Buys Salesforce. ....
2021-12-20: nan
2021-12-21: NEWS1: Voya Financial Set to Join S&P MidCap 400.NEWS2: The Top 3 REITs in Mobile Towers.NEWS3: Focused Large Cap Value Fund Buys American Tower Corp, F5 Inc, Conagra Brands Inc, Sells ....NEWS4: NT Focused Large Cap Value Fund Buys American Tower Corp, F5 Inc, Conagra Brands Inc, Sells ....
2021-12-22: NEWS1: Voya Jumps on Inclusion in S&P MidCap 400 Index.

Answer: Decrease