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:2019-09-09, Stock:SBAC, The news for the past five days is as follows:
2019-08-30: nan
2019-09-03: NEWS1: SBA Tower Trust -- Moody's assigns provisional ratings to SBA Communications wireless tower-backed securities.
2019-09-04: NEWS1: SBA Communications Corporation to Speak at the Goldman Sachs 28th Annual Communacopia Conference.
2019-09-05: NEWS1: Arlington telecom firm raises its biggest round yet, moves into new HQ.
2019-09-06: NEWS1: Sba Communications Corp (SBAC) Executive Vice President & CFO Brendan Thomas Cavanagh Sold ....

Answer: Decrease