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:2021-08-04, Stock:PSA, The news for the past five days is as follows:
2021-07-28: NEWS1: Key Factors to Impact Medical Properties' (MPW) Q2 Earnings.
2021-07-29: nan
2021-07-30: nan
2021-08-02: NEWS1: Why Public Storage (PSA) Might Surprise This Earnings Season.NEWS2: Factors to Impact Public Storage (PSA) This Earnings Season.
2021-08-03: NEWS1: Public Storage (PSA) Surpasses Q2 FFO and Revenue Estimates.NEWS2: Public Storage Reports Results for the Three and Six Months Ended June 30, 2021.

Answer: Decrease