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:2018-03-22, Stock:PSA, The news for the past five days is as follows:
2018-03-15: nan
2018-03-16: nan
2018-03-19: NEWS1: See what the IHS Markit Score report has to say about Public Storage..
2018-03-20: NEWS1: VNQ, EQIX, PLD, PSA: Large Outflows Detected at ETF.NEWS2: VNQ, EQIX, PLD, PSA: Large Outflows Detected at ETF.NEWS3: Trump’s Dividend Trio: 3 “Must Buy” Stocks for a Trade War.NEWS4: Trump’s Dividend Trio: 3 “Must Buy” Stocks for a Trade War.
2018-03-21: NEWS1: 3 'Must-Buy' Stocks For 6% Dividends And 100% Payout Growth.NEWS2: 3 'Must-Buy' Stocks For 6% Dividends And 100% Payout Growth.

Answer: Decrease