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:2018-10-22, Stock:SBAC, The news for the past five days is as follows:
2018-10-15: NEWS1: SBA Communications Corporation Sets Date for Third Quarter 2018 Earnings Release.
2018-10-16: nan
2018-10-17: nan
2018-10-18: nan
2018-10-19: NEWS1: New Research: Key Drivers of Growth for Pepsico, SBA Communications, Cavco Industries, Concho Resources, Enstar Group, and Amedisys — Factors of Influence, Major Initiatives and Sustained Production.

Answer: Decrease