BHP Billiton reports 86% fall in full-year net profit to $1.9B By: CNBC.com News August 25, 2015 at 02:24 AM EDT This is a developing news story. Please check back for updates.. Read More Will gold's rally redeem the gold miners? Read More >> Related Stocks: Bhp Billiton Ltd ADR Bhp Billiton Plc ADR