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:2018-08-09, Stock:PSA, The news for the past five days is as follows:
2018-08-02: NEWS1: Public Storage (PSA) Q2 2018 Earnings Conference Call Transcript.NEWS2: Public Storage Breaks Below 200-Day Moving Average - Notable for PSA.NEWS3: Public Storage Breaks Below 200-Day Moving Average - Notable for PSA.NEWS4: Public Storage to Host Earnings Call.NEWS5: Public Storage (PSA) Q2 FFO Beats on Solid NOI, Revenues Up.NEWS6: Public Storage (PSA) Q2 FFO Beats on Solid NOI, Revenues Up.NEWS7: Public Storage Q2 18 Earnings Conference Call At 2:00 PM ET.NEWS8: Public Storage Q2 18 Earnings Conference Call At 2:00 PM ET.NEWS9: Public Storage (PSA) Q2 FFO Beats on Solid NOI, Revenues Up.
2018-08-03: NEWS1: Public Storage (PSA) Q2 2018 Earnings Conference Call Transcript.NEWS2: Public Storage (PSA) Q2 2018 Earnings Conference Call Transcript.
2018-08-06: nan
2018-08-07: nan
2018-08-08: NEWS1: Extra Space’s Growth Driven by Demand and Marketing Strategies.NEWS2: Extra Space Rides on Strong Fundamentals and Earnings Outlook.

Answer: Decrease