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:2019-09-23, Stock:BHP, The news for the past five days is as follows:
2019-09-16: NEWS1: Top Stock Reports for Celgene, Sinopec & HSBC.NEWS2: BHP shares jump 6% on oil price spike.
2019-09-17: NEWS1: FOCUS-Vale misled public on dangerous dams, prompting Brazil probe -source.NEWS2: Vale misled public on dangerous dams, prompting Brazil probe: source.NEWS3: FOCUS-Vale misled public on dangerous dams, prompting Brazil probe -source.
2019-09-18: NEWS1: FOCUS-Vale misled public on dangerous dams, prompting Brazil probe -source.
2019-09-19: NEWS1: ExxonMobil's Australia Bass Strait Assets Up for Sale Again.
2019-09-20: nan

Answer: Decrease