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:2018-01-18, Stock:BRK-A, The news for the past five days is as follows:
2018-01-10: NEWS1: Vanguard’s New CEO Wants Investors to Keep More of Their Own Money.NEWS2: Vanguard’s New CEO Wants Investors to Keep More of Their Own Money.NEWS3: Berkshire Hathaway to Increase Number of Directors to 14 From 12.NEWS4: Berkshire Hathaway to Increase Number of Directors to 14 From 12.
2018-01-11: NEWS1: Berkshire Hathaway Energy Names William Fehrman as CEO to Replace Greg Abel.NEWS2: Berkshire Hathaway Energy Names William Fehrman as CEO to Replace Greg Abel.
2018-01-12: nan
2018-01-16: nan
2018-01-17: nan

Answer: Decrease