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:2021-08-10, Stock:PSA, The news for the past five days is as follows:
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.
2021-08-04: NEWS1: Public Storage (PSA) Q2 2021 Earnings Call Transcript.NEWS2: Public Storage (PSA) Q2 FFO Beats on Rent & Occupancy Gains.
2021-08-05: nan
2021-08-06: NEWS1: Public Storage's (NYSE:PSA) Stock On An Uptrend: Could Fundamentals Be Driving The Momentum?.
2021-08-09: NEWS1: 10 Real Estate Stocks that Pay Monthly Dividends.

Answer: Rise