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:2019-09-19, Stock:DLR, The news for the past five days is as follows:
2019-09-12: NEWS1: Digital Realty Banks on London Tech Boom, Opens New Facility.
2019-09-13: NEWS1: Iron Mountain Boosts Data-Center Capacity to Expand In Europe.
2019-09-16: NEWS1: Digital Realty Collaborates With Mapletree Investments And Mapletree Industrial Trust On $1.4 Billion North American Data Center Portfolio.
2019-09-17: NEWS1: Digital Realty Reports $1.4B Data-Center Portfolio Trades.
2019-09-18: NEWS1: 4 Artificial Intelligence Stocks for Any Investor.

Answer: Decrease