Rio Tinto chief executive Tom Albanese has moved to assure Australian investors that the miner will not over-commit its expansion spending to iron ore but news from London highlights the difficulty the company may face responding to various pressures.

Wagers on copper increased sevenfold to 15,582, as prices slumped 2.7 percent, the first weekly drop in three. Bullish gold bets climbed 7.9 percent to 116,061, a four-week high.

"I think gold is a great thing to sew into your garments if you're a Jewish family in Vienna in 1939, but I think civilized people don't buy gold. They invest in productive businesses."

Vancouver's First Point Minerals served notice of arbitration on Cliffs on Saturday because the iron and coal giant refuses to hand over crucial information about the tiny explorer's Decar project, set to become the world's first commercial nickel-iron alloy mine, effectively naturally-occurring 'stainless steel'. BlackRock, an asset manager with more than $3 trillion in assets picked up a stake in First Point two months ago.

Number of shares in issue will double and a sword will hang over retail investors' heads for the next five years.

Video of the event was uploaded by Winnipeg Free Press.

Four months after having its Keystone XL pipeline project rejected by the Obama Administration, TransCanada Corp. is taking another crack at the $7.6-billion project.

Japan will find itself without nuclear power for the first time since 1970 as the last of its currently operating nuclear reactors prepares to go offline.

Hydraulic fracturing companies must publicly disclose the chemicals they use, according to new regulations announced by the U.S. Department of the Interior.