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:2018-06-07, Stock:DLR, The news for the past five days is as follows:
2018-05-31: NEWS1: Iron Mountain Boosts Europe Presence with EvoSwitch Buyout.NEWS2: Iron Mountain Boosts Europe Presence with EvoSwitch Buyout.
2018-06-01: NEWS1: 3 Top Dividend Stocks With Yields Over 3%.
2018-06-04: nan
2018-06-05: NEWS1: Digital Realty Trust: A Different Kind of Tech Stock.NEWS2: 3 REITs You May Not Have Heard of.
2018-06-06: nan

Answer: Decrease