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:2018-01-12, Stock:PSA, The news for the past five days is as follows:
2018-01-05: nan
2018-01-08: nan
2018-01-09: NEWS1: Does Public Storage’s (NYSE:PSA) PE Ratio Warrant A Buy?.NEWS2: ICF, EQIX, PLD, PSA: Large Outflows Detected at ETF.NEWS3: ICF, EQIX, PLD, PSA: Large Outflows Detected at ETF.NEWS4: Why REITs Will Soar in 2018 (and 5 to Buy Now).NEWS5: Why REITs Will Soar in 2018 (and 5 to Buy Now).NEWS6: 3 Top Dividend Stocks to Buy in January.NEWS7: 3 Top Dividend Stocks to Buy in January.
2018-01-10: nan
2018-01-11: NEWS1: Public Storage Enters Oversold Territory.NEWS2: Public Storage Enters Oversold Territory.NEWS3: 52-Week Company Lows.NEWS4: See what the IHS Markit Score report has to say about Public Storage..

Answer: Decrease