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:2018-01-11, Stock:PSA, The news for the past five days is as follows:
2018-01-04: NEWS1: Public Storage's Preferred Share Series Y Shares Cross 6% Yield Mark.
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

Answer: Rise