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:2018-05-15, Stock:BRK-A, The news for the past five days is as follows:
2018-05-08: NEWS1: 3 Reasons Apple Inc. Stock Is Heading to $1 Trillion Valuation.NEWS2: 3 Reasons Apple Inc. Stock Is Heading to $1 Trillion Valuation.NEWS3: How The Parts Add Up: MGC Targets $102.NEWS4: How The Parts Add Up: MGC Targets $102.
2018-05-09: nan
2018-05-10: nan
2018-05-11: NEWS1: Still Easier Ways to Make Money Than Wells Fargo & Co Stock.NEWS2: Still Easier Ways to Make Money Than Wells Fargo & Co Stock.
2018-05-14: nan

Answer: Decrease