Natural Resources

Ohio’s Columbus Steel Castings Co., which operated as the country’s largest single site steel foundry until halting operations on May 9, has filed for bankruptcy protection.

The European Commission launched a new investigation into Chinese subsidies of certain steel exports to the EU, highlighting the bloc’s increased efforts to protect its struggling steel industry from unfair trade practices.

Freeport-McMoRan Inc. agreed Monday to sell its stake in an African copper operation to a Chinese mining-and-processing firm for $2.65 billion, as the Phoenix-based miner looks to pay down debt amid a stream of similar moves by big miners.

Rio Tinto announced a next stage of development at the Oyu Tolgoi copper and gold mine in Mongolia, paving the way for production to start in 2020.

Jean-Sébastien Jacques will take the job as Rio Tinto’s chief executive in July with an unusual commodity among major mining companies: a growth strategy.

Copper futures settled lower in U.S. trading on Thursday, weighed down by bearish sentiment over top consumer China and a stronger dollar.

Brazilian federal prosecutors filed a civil lawsuit demanding that mining companies responsible for a catastrophic dam failure shell out up to $43.55 billion for cleanup and remediation, far more than the government initially estimated.

Sub-Saharan African economies will grow at the slowest pace in 16 years and lower than the global average this year, reversing a trend that saw the region elevated to one of the fastest-expanding global frontiers in previous years, the International Monetary Fund said.

International Paper agreed to buy Weyerhaeuser’s pulp business for $2.2 billion, making a big bet on rising global demand for disposable diapers and feminine products.

The European Union said it would start surveying steel imports as part of the bloc’s effort to support its struggling steel sector as it grapples with global overcapacity.

Brazilian miner Vale swung to a net profit in the first quarter, as the company reported gains in derivative operations.

Shanghai-based Yintech Investment Holdings has listed in the U.S., becoming one of the few Chinese technology companies to go public in New York this year.

The plunge and then sharp rebound in commodity and stock prices this year illustrates one of the great truths of investing: Those in the market spend a lot more time watching each other than they do watching the fundamentals.

Copper prices ended lower after seesawing between gains and losses following fluctuations in the price of U.S. oil.

Scientists in Australia are able to remove stains from fabric using metal particles and sunlight in laboratory experiments that bring us one baby step closer to a world without laundry.

Caterpillar CEO Doug Oberhelman’s pay package for 2015 rose 4.5% to $17.9 million, lifted by stock awards and a boost in the value of his stock options and some benefits.

Copper prices closed higher on Friday, lifted by rising oil prices and increased optimism that China’s economy is starting to stabilize.

Anglo American PLC shareholders voted in large numbers against a lucrative pay package for CEO Mark Cutifani, a sign of growing dismay with commodities giants whose shares have suffered amid a rout in prices.

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