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:2018-01-18, Stock:DLR, The news for the past five days is as follows:
2018-01-10: nan
2018-01-11: NEWS1: Noteworthy Thursday Option Activity: DISH, CVX, DLR.NEWS2: Noteworthy Thursday Option Activity: DISH, CVX, DLR.NEWS3: See what the IHS Markit Score report has to say about Digital Realty Trust Inc..
2018-01-12: NEWS1: Digital Realty Trust's Series H Preferred Stock Shares Cross 7% Yield Mark.NEWS2: Digital Realty Trust's Series H Preferred Stock Shares Cross 7% Yield Mark.NEWS3: See what the IHS Markit Score report has to say about Digital Realty Trust Inc..
2018-01-16: NEWS1: Baird Gets Bullish On Digital Realty After Recent Pullback.NEWS2: See what the IHS Markit Score report has to say about Digital Realty Trust Inc..
2018-01-17: NEWS1: Digital Realty Appoints Erich Sanchack Executive Vice President, Operations.

Answer: Decrease