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:2018-02-14, Stock:PSA, The news for the past five days is as follows:
2018-02-07: nan
2018-02-08: NEWS1: Public Storage Launches Be Our Valentine Video Contest.
2018-02-09: NEWS1: Friday Sector Leaders: Utilities, Financial.NEWS2: Friday Sector Leaders: Utilities, Financial.NEWS3: Public Storage Opens New Storage Units in Gardena, California.NEWS4: 7 Stocks to Own Should the Latest Correction Get REALLY Ugly.NEWS5: 7 Stocks to Own Should the Latest Correction Get REALLY Ugly.
2018-02-12: NEWS1: See what the IHS Markit Score report has to say about Public Storage..
2018-02-13: nan

Answer: Decrease