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:2019-10-31, Stock:PSA, The news for the past five days is as follows:
2019-10-24: nan
2019-10-25: nan
2019-10-28: nan
2019-10-29: NEWS1: Public Storage (PSA) Lags Q3 FFO and Revenue Estimates.NEWS2: Public Storage Reports Results for the Three and Nine Months Ended September 30, 2019.NEWS3: Public Storage Enters Oversold Territory.
2019-10-30: NEWS1: Public Storage (PSA) Q3 FFO Lags Estimates, Expenses Flare Up.NEWS2: Public Storage Announces Release of Quarterly Report for the Three and Nine Months Ended September 30, 2019.

Answer: Decrease