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:2018-04-24, Stock:WELL, The news for the past five days is as follows:
2018-04-17: NEWS1: Keith Konkoli Named Head of Outpatient Medical and Real Estate Services.
2018-04-18: nan
2018-04-19: NEWS1: 2 Ultra-Cheap Dividend Stocks You Can Buy Right Now.NEWS2: 2 Ultra-Cheap Dividend Stocks You Can Buy Right Now.
2018-04-20: nan
2018-04-23: nan

Answer: Rise