Companhia Vale do Rio Doce News

The mining sector is receiving a much needed boost, rising by 0.9 per cent after a tough week.

's stock had its "overweight" rating reiterated by investment analysts at JPMorgan Chase in a note issued to investors on Thursday, StocKRatingsNetwork.com reports.

Last month's landslide at Utah's Bingham Canyon, one of the world's largest copper mines, triggered significant discussion on possible copper shortages.

Mining titan Rio Tinto PLC is cutting capital expenditure and operating costs, selling non-core assets as well as ramping up production, the company's chief executive said Tuesday.

Rio Tinto, a major producer of iron ore, said it expects Chinese demand for the steelmaking commodity to rise this year, Reuters reported.

's stock had its "buy" rating reaffirmed by research analysts at Liberum Capital in a report released on Monday, Analyst Ratings.Net reports.

's richest person, just added more money to her wealth. On Friday, she and another female billionaire were awarded $200 million after they won a lawsuit against ruled in favour of the companies owned by Ms Rinehart and Angela Bennett over royalties to iron ore in the Pilbara mines run by Rio.

Stocks with exposure to copper such as Freeport McMoRan , Rio Tinto , BHP , and Xstrata have been on a bit of a roller coaster recently due to the red metal's volatility.

The All Ordinaries Index is down by just 0.3pts to 5,190.8. A fall in the business conditions survey reading has been keeping stocks subdued.

A number of other firms have also recently commented on RIO. Analysts at Nomura reiterated a "buy" rating on shares of Rio Tinto in a research note to investors on Monday, April 29th.

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The rough and tumble conditions associated with the gigantic Oyu Tolgoi mine in Mongolia are about to pay off for Turquoise Hill Resources and Rio Tinto as approval to ship copper from the mine may be as close as two weeks away.

The firm currently has a GBX 4,590 price target on the stock. Rio Tinto opened at 3101.00 on Wednesday.

A Rio Tinto executive said that he expects China's demand for iron ore to rise this year, according to the Wall Street Journal .

Cliffs Natural Resources has gone from being a shooting star of the industrial metals and minerals sector to suffering through the indignity of a $1B asset impairment charge on its 2011 acquisition of Consolidated Thompson Iron Mines Limited.

's stock had its "strong sell" rating restated by analysts at Goldman Sachs in a research report issued to clients and investors on Tuesday, ARN reports.

BHP Billiton is currently focusing on the growing Chinese demand to increase its top-line in the immediate future.

Unions representing workers at Australia's biggest coal-export terminal threaten work stoppages in a dispute with Port Waratah Coal Services over job security.

's stock had its "buy" rating reiterated by equities research analysts at Canaccord Genuity in a research note issued to investors on Thursday, Stock Ratings Network.com reports.

Rio Tinto Group needs to cut costs to remain competitive amid 'very tough times' for its aluminum, coal and uranium businesses, Chief Executive Officer Sam Walsh said.