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:2018-05-22, Stock:DLR, The news for the past five days is as follows:
2018-05-15: NEWS1: Equinix (EQIX) Announces Expansion of London Data Center.NEWS2: Equinix (EQIX) Announces Expansion of London Data Center.
2018-05-16: NEWS1: DLR Named A Top Socially Responsible Dividend Stock.NEWS2: DLR Named A Top Socially Responsible Dividend Stock.
2018-05-17: NEWS1: Digital Realty Announces Senior Leadership Transitions.
2018-05-18: NEWS1: This High-Yield Stock Was Just Too Cheap Not to Buy.
2018-05-21: nan

Answer: Decrease