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:2021-10-27, Stock:BHP, The news for the past five days is as follows:
2021-10-20: NEWS1: BHP Ups Stakes in Battle With Billionaire for Nickel Miner.
2021-10-21: NEWS1: BHP studies the potential for using nickel mine waste to capture carbon.
2021-10-22: NEWS1: UPDATE 2-U.S. appeals court hints at support for Rio's Resolution copper mine.
2021-10-25: nan
2021-10-26: nan

Answer: Decrease