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:2019-07-18, Stock:PSA, The news for the past five days is as follows:
2019-07-11: nan
2019-07-12: NEWS1: Top Analyst Reports for Microsoft, UnitedHealth & Costco.NEWS2: Top Analyst Reports for Microsoft, UnitedHealth & Costco.NEWS3: Top Analyst Reports for Microsoft, UnitedHealth & Costco.NEWS4: I Ran A Stock Scan For Earnings Growth And Public Storage (NYSE:PSA) Passed With Ease.
2019-07-15: nan
2019-07-16: NEWS1: See what the IHS Markit Score report has to say about Public Storage..
2019-07-17: nan

Answer: Decrease