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:2018-05-10, Stock:SBAC, The news for the past five days is as follows:
2018-05-03: NEWS1: Telecom Stock Roundup: Trade Restrictions Mar Industry Positives.NEWS2: Telecom Stock Roundup: Trade Restrictions Mar Industry Positives.NEWS3: SBA Communications Corporation to Speak at the MoffettNathanson 5th Annual Media & Communications Summit.
2018-05-04: nan
2018-05-07: nan
2018-05-08: nan
2018-05-09: NEWS1: American Tower Grows in Africa, to Buy Telkom Kenya Towers.NEWS2: American Tower Grows in Africa, to Buy Telkom Kenya Towers.

Answer: Rise