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:2018-02-09, Stock:BRK-A, The news for the past five days is as follows:
2018-02-02: nan
2018-02-05: nan
2018-02-06: NEWS1: Here are the U.S. stocks getting pummeled in the market rout.NEWS2: Here are the U.S. stocks getting pummeled in the market rout.NEWS3: Are Healthcare Stocks Terminally Ill?.NEWS4: Are Healthcare Stocks Terminally Ill?.
2018-02-07: NEWS1: Berkshire Hathaway Reaches Analyst Target Price.NEWS2: Berkshire Hathaway Reaches Analyst Target Price.
2018-02-08: NEWS1: Here's how Triad stocks fared this week.NEWS2: Here's how Triad stocks fared this week.

Answer: Rise