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:2020-01-21, Stock:DLR, The news for the past five days is as follows:
2020-01-13: nan
2020-01-14: nan
2020-01-15: NEWS1: Digital Realty Closes $557 Million Portfolio Sale to Mapletree.
2020-01-16: NEWS1: Digital Realty Schedules Fourth Quarter 2019 Earnings Release And Conference Call.NEWS2: Digital Realty Advances Sustainability Leadership, Earning Industry's Highest Number of ENERGY STAR and Green Building Certifications in 2019.
2020-01-17: NEWS1: Interxion Holding N.V. -- Moody's announces completion of a periodic review of ratings of Interxion Holding N.V..NEWS2: What Does Digital Realty's $557M Portfolio Sale Indicate?.

Answer: Rise