The miner said it won't meet its coal export commitments due to the damage caused by cyclone Debbie, which struck Australia’s north-east coast last week.
The stock shot up 13% in London Wednesday after Firestone announced it had unearthed an 110-carat yellow diamond, it’s biggest find so far at its Liqhobong mine.
The world’s No.1 diamond miner by value, reported a 4.9% rise in sales during the third cycle of the year, on the back of a global recovery in prices and demand.