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:2019-03-19, Stock:PSA, The news for the past five days is as follows:
2019-03-12: NEWS1: See what the IHS Markit Score report has to say about Public Storage..NEWS2: Public Storage (NYSE:PSA) Shareholders Booked A 30% Gain In The Last Five Years.
2019-03-13: nan
2019-03-14: nan
2019-03-15: nan
2019-03-18: NEWS1: Top Research Reports for Merck, Adobe & Broadcom.NEWS2: Top Research Reports for Merck, Adobe & Broadcom.NEWS3: Top Research Reports for Merck, Adobe & Broadcom.

Answer: Decrease