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:2019-05-22, Stock:DLR, The news for the past five days is as follows:
2019-05-15: NEWS1: CoreSite Announces Hyperscale Leasing at Santa Clara Campus.NEWS2: CoreSite Announces Hyperscale Leasing at Santa Clara Campus.NEWS3: CoreSite Announces Hyperscale Leasing at Santa Clara Campus.
2019-05-16: NEWS1: Did Business Growth Power Digital Realty Trust's (NYSE:DLR) Share Price Gain of 105%?.
2019-05-17: NEWS1: 7 High-Yield REITs to Buy (Even When the Market Tanks).NEWS2: 7 High-Yield REITs to Buy (Even When the Market Tanks).NEWS3: 7 Tech Stocks to Buy That Are Also Perfect for Retirement.NEWS4: 7 Tech Stocks to Buy That Are Also Perfect for Retirement.NEWS5: 7 Tech Stocks to Buy That Are Also Perfect for Retirement.NEWS6: 7 High-Yield REITs to Buy (Even When the Market Tanks).
2019-05-20: nan
2019-05-21: NEWS1: 5 Data Center REITs to Buy That Deliver Sizable Income.NEWS2: 5 Data Center REITs to Buy That Deliver Sizable Income.NEWS3: 5 Data Center REITs to Buy That Deliver Sizable Income.

Answer: Rise