BHP quarterly iron ore output rises, keeps guidance

Uranium surges 31% to become year’s top commodity

US judge dismisses action brought by Pebble mine opponents

Glencore to reopen mines if deal in Zambia reached

Vale cuts production guidance again

BHP is one of the world's largest exporters of iron ore and hard coking coal. It also ships thermal coal and copper.

Integrated steelmaker ArcelorMittal is taking a planned outage at one of the blast furnaces at its Burns Harbor mill.

Overall Russian coal output fell in the first quarter of this year, but some coking coal mining firms raised output.