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:2018-02-05, Stock:PSA, The news for the past five days is as follows:
2018-01-29: NEWS1: How Wall Street Analysts View Extra Space.NEWS2: Extra Space—Valuations on Par with the Industry.NEWS3: Extra Space and Its Solid Balance Sheet.
2018-01-30: NEWS1: Public Storage's Preferred Stock, Series X Crosses Above 5.5% Yield Territory.NEWS2: Public Storage's Preferred Stock, Series X Crosses Above 5.5% Yield Territory.
2018-01-31: NEWS1: 9 High-Yield Dividend Stocks to Buy on the Dip.NEWS2: 9 High-Yield Dividend Stocks to Buy on the Dip.NEWS3: Public Storage's Preferred Stock, Series F Shares Cross 5.5% Yield Mark.NEWS4: Public Storage's Preferred Stock, Series F Shares Cross 5.5% Yield Mark.
2018-02-01: NEWS1: 52-Week Company Lows.
2018-02-02: NEWS1: Single-Family REITs: Consolidating A Fragmented Industry.NEWS2: Single-Family REITs: Consolidating A Fragmented Industry.NEWS3: Public Storage Announces Organization Transformation Video Contest Winners.

Answer: Decrease