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:2018-01-18, Stock:PSA, The news for the past five days is as follows:
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..
2018-01-12: NEWS1: Developers propose 8-story apartment tower, expanded self-storage in Fort Lauderdale.
2018-01-16: NEWS1: Notable Tuesday Option Activity: PYPL, ALGN, PSA.NEWS2: Notable Tuesday Option Activity: PYPL, ALGN, PSA.NEWS3: See what the IHS Markit Score report has to say about Public Storage..
2018-01-17: NEWS1: Public Storage Announces Tax Treatment of 2017 Dividends.

Answer: Decrease