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:2020-03-18, Stock:WELL, The news for the past five days is as follows:
2020-03-11: nan
2020-03-12: NEWS1: Top Research Reports for Alibaba, Roche & Intel.
2020-03-13: NEWS1: Why Is Welltower (WELL) Down 47.6% Since Last Earnings Report?.
2020-03-16: nan
2020-03-17: NEWS1: Welltower properties had 2 residents test positive for COVID-19, while occupancy has remained stable.NEWS2: A Message from Thomas J. DeRosa, Chairman and CEO of Welltower®.

Answer: Decrease