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:2018-11-07, Stock:BRK-A, The news for the past five days is as follows:
2018-10-31: nan
2018-11-01: nan
2018-11-02: nan
2018-11-05: NEWS1: Close Update: Stocks End Monday Mixed; Energy and Financials Among Market's Upside Leaders.NEWS2: Close Update: Stocks End Monday Mixed; Energy and Financials Among Market's Upside Leaders.NEWS3: Why Berkshire Hathaway Stock Is Surging Today.NEWS4: Why Berkshire Hathaway Stock Is Surging Today.
2018-11-06: NEWS1: What's Behind Buffett's Billion Dollar Berkshire Buyback?.NEWS2: What's Behind Buffett's Billion Dollar Berkshire Buyback?.

Answer: Rise