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:2018-01-09, Stock:WELL, The news for the past five days is as follows:
2018-01-02: NEWS1: Welltower purchases portfolio of Sunrise Senior Living communities.NEWS2: Welltower Enters Into Agreement To Acquire Portfolio Of Sunrise Assets.NEWS3: Welltower To Buy Portfolio Of Sunrise Assets - Quick Facts.NEWS4: Welltower To Buy Portfolio Of Sunrise Assets - Quick Facts.
2018-01-03: NEWS1: Welltower to Buy Sunrise's Healthcare Communities Portfolio.NEWS2: Welltower to Buy Sunrise's Healthcare Communities Portfolio.NEWS3: Welltower to Buy Sunrise&apos;s Healthcare Communities Portfolio.
2018-01-04: nan
2018-01-05: NEWS1: Welltower To Present At J.P. Morgan Healthcare Conference.NEWS2: Look Under The Hood: EWRE Has 10% Upside.NEWS3: Look Under The Hood: EWRE Has 10% Upside.
2018-01-08: nan

Answer: Decrease