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:2018-12-21, Stock:DLR, The news for the past five days is as follows:
2018-12-14: nan
2018-12-17: NEWS1: Digital Realty Trust (DLR) Shares Cross Below 200 DMA.NEWS2: Digital Realty Trust (DLR) Shares Cross Below 200 DMA.NEWS3: OUT vs. DLR: Which Stock Should Value Investors Buy Now?.NEWS4: OUT vs. DLR: Which Stock Should Value Investors Buy Now?.NEWS5: OUT vs. DLR: Which Stock Should Value Investors Buy Now?.
2018-12-18: NEWS1: 5 REITs to Double Your Income in 2019.NEWS2: 5 REITs to Double Your Income in 2019.NEWS3: Digital Realty Names Corey Dyer Executive Vice President, Global Sales And Marketing.
2018-12-19: NEWS1: Digital Realty Extends Sustainability Leadership with ENERGY STAR Certifications and Solar Energy Commitments.
2018-12-20: NEWS1: Digital Realty Completes Acquisition Of Ascenty.

Answer: Rise