World financial news

Oil prices Tuesday posted their biggest gain in almost three weeks as the dollar weakened and investors sought tangible commodities to hedge inflation.

U.S. crude for October delivery rose $3.08, or 4.5%, to $71.10 a barrel, the largest percentage increase since Aug. 19.

The gains came as the dollar slumped to its lowest level in almost a year against a basket of currencies and gold rallied above $1,000 an ounce, its highest since March 2008.

"Today’s move by gold above $1,000 probably triggered crude markets to rally, spurring inflation fears and causing traders to buy oil as a hedge against inflation," said analyst Eugen Weinberg at Commerzbank.

Global commodities, priced in dollars, tend to rise when the value of the U.S. currency falls.

"Nothing has really changed fundamentally," said trader Rob Montefusco at Sucden Financial. "It’s all technical levels blowing through as the dollar gets spanked against the euro and gold."

OPEC. The Organization of the Petroleum Exporting Countries meets in Vienna on Wednesday, with most analysts expecting OPEC, the source of more than a third of the world’s oil supply, to maintain its official price target of around $70.

Saudi Arabia’s Oil Minister Ali al-Naimi said producers and consumers are happy with current oil prices, though he added world crude inventories appeared too high free credit report.

"Nobody expects anything from them," said Weinberg at Commerzbank. "There are some other issues; compliance, non-OPEC production, and huge ventures worldwide that might still have an impact, but otherwise nobody expects them to cut any more production."

Oil prices, which fell 6.5% last week, have been trading in a range between $65 and $75 a barrel since the start of August, with prices swinging on economic data as investors seek clues about the speed of a recovery from the recession.

Investors will be on watch for inventory data, delayed by a day this week due to Monday’s Labor Day holiday.

The American Petroleum Institute’s petroleum stocks report will be delayed one day to Wednesday at 4:30 p.m. ET and Energy Information Administration snapshot of crude oil, distillates and gasoline stocks will be pushed out to Thursday at 11 a.m. ET.

Traders will also keep an eye out as Tropical Storm Fred formed in the eastern Atlantic Ocean on Monday with top winds of 40 mph, but did not immediately threaten any land, the U.S. National Hurricane Center said. 

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