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:2019-10-21, Stock:WELL, The news for the past five days is as follows:
2019-10-14: nan
2019-10-15: NEWS1: Introducing Welltower (NYSE:WELL), A Stock That Climbed 48% In The Last Year.
2019-10-16: nan
2019-10-17: NEWS1: Welltower Achieves ISS ESG Prime Status for 2019.
2019-10-18: NEWS1: Money Exiting Bond Market May Find Its Way Into Stocks.

Answer: Rise