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:2018-12-19, Stock:WELL, The news for the past five days is as follows:
2018-12-12: NEWS1: RWR, WELL, EQR, AVB: ETF Inflow Alert.NEWS2: RWR, WELL, EQR, AVB: ETF Inflow Alert.
2018-12-13: NEWS1: See what the IHS Markit Score report has to say about Welltower Inc..
2018-12-14: nan
2018-12-17: NEWS1: Should iShares Morningstar Mid-Cap Value ETF (JKI) Be on Your Investing Radar?.
2018-12-18: NEWS1: 3 Stocks Poised for Huge Growth Over the Next Decade.NEWS2: 3 Stocks Poised for Huge Growth Over the Next Decade.NEWS3: 3 Stocks Poised for Huge Growth Over the Next Decade.

Answer: Decrease