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:2018-10-11, Stock:WELL, The news for the past five days is as follows:
2018-10-04: NEWS1: Relative Strength Alert For Welltower.NEWS2: Relative Strength Alert For Welltower.
2018-10-05: nan
2018-10-08: nan
2018-10-09: NEWS1: iShares Cohen & Steers REIT ETF Experiences Big Outflow.NEWS2: iShares Cohen & Steers REIT ETF Experiences Big Outflow.
2018-10-10: nan

Answer: Decrease