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:2018-06-13, Stock:BRK-A, The news for the past five days is as follows:
2018-06-06: nan
2018-06-07: NEWS1: The Bull Case for Regeneron Pharmaceuticals Inc Couldn’t Be More Clear.NEWS2: The Bull Case for Regeneron Pharmaceuticals Inc Couldn’t Be More Clear.NEWS3: Midday Update: Dow Reaches 3-Mo High on McDonald's, Energy Shares.NEWS4: Midday Update: Dow Reaches 3-Mo High on McDonald's, Energy Shares.
2018-06-08: NEWS1: Focusing long-Term, Like Warren Buffett and Jamie Dimon.NEWS2: Focusing long-Term, Like Warren Buffett and Jamie Dimon.NEWS3: Should You Buy the ‘Twitch of China’ Huya Inc as It Surges on Earnings?.NEWS4: Should You Buy the ‘Twitch of China’ Huya Inc as It Surges on Earnings?.
2018-06-11: nan
2018-06-12: NEWS1: Ackman Is Back; Time To Back Ackman Via Pershing Square Holdings.NEWS2: Ackman Is Back; Time To Back Ackman Via Pershing Square Holdings.NEWS3: Ackman's Back; Time To Back Ackman Via Pershing Square Holdings.NEWS4: Ackman's Back; Time To Back Ackman Via Pershing Square Holdings.

Answer: Decrease