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:2018-08-10, Stock:PSA, The news for the past five days is as follows:
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.
2018-08-09: NEWS1: Where Extra Space Stands among Its Peers after Q2 Results.NEWS2: Extra Space Storage Continues to Enhance Shareholder Wealth.NEWS3: Acquisitions, Joint Ventures Expand Extra Space’s Footprint.

Answer: Decrease