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:2021-06-09, Stock:PSA, The news for the past five days is as follows:
2021-06-02: nan
2021-06-03: nan
2021-06-04: NEWS1: Public Storage Virtual Presentation at Nareit REITweek 2021 to be Webcast.
2021-06-07: NEWS1: Public Storage Announces Pricing of 4.000% Cumulative Preferred Shares of Beneficial Interest, Series P.NEWS2: The Public Storage (NYSE:PSA) Share Price Has Gained 40% And Shareholders Are Hoping For More.
2021-06-08: nan

Answer: Rise