SAO PAULO - World stocks edged lower on Friday, getting no relief from a decline in crude prices as concerns of further banking write-downs weighed on financial shares.

Oil prices fell more than a dollar a barrel after Iran responded to an incentives package offered by six world powers in a bid to resolve a dispute over its nuclear development program.

But the decline in crude prices was not enough to give markets a boost, with European shares slumping after Goldman Sachs said banks may need to raise 60-90 billion euros in total. The broker lowered 2008-09 estimates for than 40 banks and said the sector would be hampered by the risk of additional capital raisings.

The euro hit a one-week low against the U.S. dollar but gave up losses after European Central Bank President Jean-Claude Trichet said he had no bias on monetary policy, dousing speculation about aggressive rate hikes this year. The ECB raised rates a quarter percentage point on Thursday.

Gold was steady in light trading with New York markets closed for the U.S. Independence Day holiday. But copper, zinc and other metals fell as worries about supply disruptions in Peru, where union support for a nationwide mining strike was collapsing.

Trading in Latin American stocks was slower than usual because of the U.S. holiday, with markets in Chile and Mexico posting modest gains and Brazil's bourse edging lower.

"The market is going to trade sideways with the closing there ," said Junior Hydalgo, director of Trust Investimentos in Sao Paulo.

The FTSEurofirst 300 index dropped 1.3 percent while the MSCI main world equity index fell 0.4 percent, having hit its lowest intraday level since January on Thursday.

In Brazil, the benchmark Bovespa index fell 0.3 percent, while Mexico's IPC index firmed 0.02 percent and Chile's IPSA index was up 0.1 percent.

EMERGING FALLOUT

Emerging sovereign spreads tightened 2 basis points while emerging stocks fell 0.4 percent.

Analysts say emerging markets, especially in Asia, will be more severely hit by the rising energy costs.

"The monumental energy price increases will be a 'game-changer' for Asia, in our view," said Stephen Jen, head of global currency research at Morgan Stanley.

"While there is some scope for remedial policy action to 'amortize' this shock, Asia ex-Japan currencies will likely weaken against the dollar and assets should underperform in the period ahead," Jen said.

The euro was flat at $1.5690 after dropping to a one-week low of $1.5654.

"We're in the camp that thinks there won't be any further rate hikes from the ECB this year, so we think we've seen the high of euro/dollar," said Niels Christensen, FX strategist at Nordea in Copenhagen.

U.S. light crude fell nearly 0.9 percent to $144.01 a barrel, although investors are bracing for a rise to $150 in the coming sessions.

Gold was little changed at $932.10/933.10 an ounce.

Asian stocks eased, with shares in Japan falling for a 12th straight session and extending their longest losing streak in a half century on heightened fears that record high oil and stagflation will slam company earnings and consumer spending.

The pan-Asia MSCI index fell 0.2 percent, and Japan's Nikkei share index lost 0.2 percent, for the longest period of daily declines since 1954.

The MSCI index of Asia-Pacific shares traded outside of Japan firmed 0.36 percent, as stocks in Australia and Hong Kong bucked the gloomy trend in Tokyo.

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