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:2021-02-23, Stock:SBAC, The news for the past five days is as follows:
2021-02-16: nan
2021-02-17: nan
2021-02-18: NEWS1: SBA Communications Corporation to Speak at the Morgan Stanley Technology, Media and Telecom Conference.
2021-02-19: NEWS1: SBA Communications's Earnings: A Preview.
2021-02-22: NEWS1: Recap: SBA Communications Q4 Earnings.NEWS2: SBA Communications Corporation Reports Fourth Quarter 2020 Results; Provides Full Year 2021 Outlook; and Declares Quarterly Cash Dividend.NEWS3: SBA Communications Corp. to Host Earnings Call.NEWS4: DISH signs Master Lease Agreement with SBA.

Answer: Decrease