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:2021-09-09, Stock:PSA, The news for the past five days is as follows:
2021-09-01: NEWS1: 5 Reasons to Add Public Storage (PSA) Stock to Your Portfolio.
2021-09-02: NEWS1: Public Storage Prices Public Offering of Euro-Denominated Senior Notes.NEWS2: Public Storage (PSA) Up 7.6% Since Last Earnings Report: Can It Continue?.
2021-09-03: nan
2021-09-07: nan
2021-09-08: nan

Answer: Decrease