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:2021-07-21, Stock:AMT, The news for the past five days is as follows:
2021-07-14: NEWS1: 3 Stocks I'll Hold Forever.
2021-07-15: NEWS1: Here's How Much You'd Have If You Invested $1000 in American Tower a Decade Ago.
2021-07-16: NEWS1: Why Did American Tower Rise 21% in the First Half of 2021?.
2021-07-19: nan
2021-07-20: nan

Answer: Decrease