Turquoise Hill’s profit surges over 33% on strong output

The Farnese Blue diamond, which was passed down through European royal families for about 300 years, sold Tuesday for $1.4 million more than the maximum figure experts estimated it would fetch.

Chief executive Jean Sebastien-Jacques said the challenge for the industry is to ensure the benefits from the past frugal years are not lost against a backdrop of rising oil prices and increased political risk.

India's rising coal imports are contributing to higher demand across Asia this year.

The mine, behind schedule ever since it began producing in May 2014, has been affected by a series of technical problems in its ramp-up phase, costing its owners hefty impairment charges.

The writedowns are said to stem from Adani being forced to duplicate studies and redesign elements of the Carmichael project due to delays in regulatory approvals and ongoing legal challenges.

The alleged dumping margins ranged from 12.1 percent to 231.7 percent, and U.S. imports of the products from China in 2017 were estimated to total $388 million.

While there may be scope to be bullish on the short- to medium-term outlook for coal, the risk factors for the industry appear to be mounting.

Indicated and inferred gold equivalent resources increased by whooping 208% and 172% respectively, when compared to the project’s maiden mineral resource estimate of 2015.

North American gold-backed ETFs rose 43.7 tonnes worth $1.9 billion in April.