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:2020-10-21, Stock:DLR, The news for the past five days is as follows:
2020-10-14: NEWS1: Here's Why You Should Retain Iron Mountain (IRM) Stock Now.
2020-10-15: NEWS1: Is Digital Realty Trust (DLR) Stock Outpacing Its Finance Peers This Year?.NEWS2: Digital Realty's MarketplaceLIVE 2020 to Focus on 'Defying Gravity'.
2020-10-16: nan
2020-10-19: nan
2020-10-20: NEWS1: HIW vs. DLR: Which Stock Should Value Investors Buy Now?.NEWS2: Goldman’s Infrastructure Arm Makes $500 Million Data-Center Bet.

Answer: Decrease