* Stocks surge on big revision to second-quarter U.S. GDP
* Oil prices slip on supply plan if Gustav slams U.S. Gulf
* Dollar up on U.S. GDP, ECB rhetoric still impacts euro
* Surprise gains in U.S. GDP upends U.S., euro zone debt
(Recasts with U.S. markets, adds byline; changes dateline; previous LONDON)
By Herbert Lash
NEW YORK, Aug 28 (Reuters) - The dollar rallied and U.S. and European stocks climbed more than 1 percent on Thursday on a report of stronger-than-forecast U.S. economic growth and a surprise drop in oil prices as Gustav roared toward the Gulf's energy infrastructure.
The stock market was cheered by a robust revision of U.S. gross domestic product to 3.3 percent, up from an initial read of 1.9 percent which had cast doubt on whether the United States was in or near recession.
Euro zone and U.S. government debt prices fell on the revised number -- analysts had expected 2.7 percent -- and stocks jumped as it fanned optimism in equity markets.
The improved economic outlook, together with the slide in oil prices, spurred investors to scoop up financial and retail stocks and jump into industrial shares such as Caterpillar <CAT.N>, seen as a bellwether for the U.S. economy.
Consumer spending and net exports were more robust than initially estimated, and inventories fell less sharply, the U.S. Commerce Department said.
"The market is gaining increasing confidence the strain in the financial markets and high oil prices will not tip the economy into a recession," said Jim Awad, chairman of W.P. Stewart & Co. Ltd in New York.
A separate government report showed the number of U.S. workers filing new claims for jobless benefits fell to a level that was a touch lower-than-expected.
Lower oil prices also supported equities. Earlier, oil rose above $120 a barrel, boosted by the threat Tropical Storm Gustav poses to U.S. oil installations in the Gulf of Mexico.
"You hate to be underweight in stocks when you have an economy that is performing better-than-expected," said James Paulsen, chief investment officer at Wells Capital Management in Minneapolis.
Before 1 p.m., the Dow Jones industrial average <
> was up 169.03 points, or 1.47 percent, at 11,671.54. The Standard & Poor's 500 Index <.SPX> was up 12.56 points, or 0.98 percent, at 1,294.22. The Nasdaq Composite Index < > was up 19.29 points, or 0.81 percent, at 2,401.75.European stocks closed sharply higher after crude prices slipped and the revised U.S. GDP number drew investors back into the market.
Banking was the biggest sector to gain on the pan-European FTSEurofirst 300 <
> index, which ended 1.5 percent higher at 1,190.91 points. The benchmark is still off 21 percent this year.French bank Credit Agricole <CAGR.PA> was one of the top gainers, jumping 8.9 percent despite posting a 94 percent fall in quarterly profit.
"People think that they've got the bulk of the write-downs out of the way and results in the third and fourth quarters will be better," said a London-based trader.
Other banks also advanced, with Barclays <BARC.L> rising 5.8 percent, UBS AG <UBSN.VX> rising 4.6 percent, HBOS <HBOS.L> jumping 4.2 percent and Royal Bank of Scotland <RBS.L> advancing 3.7 percent.
The dollar was up against major currencies, with the U.S. Dollar Index <.DXY> up 0.26 percent at 77.225.
Although the euro retreated, it remained off the six-month low touched earlier this week on reduced expectations the European Central Bank will cut interest rates.
Both U.S. and euro zone government debt fell. Dampened expectations of a ECB rate cut and the solid revision to U.S. economic growth wiped out initial euro zone debt gains.
The benchmark 10-year U.S. Treasury note <US10YT=RR> fell 12/32 to yield 3.81 percent. The 30-year U.S. Treasury bond <US30YT=RR> fell 12/32 to yield 4.41 percent.
Oil fell from above $120 a barrel after the International Energy Agency pledged to help out with additional supply if Gustav damages U.S. oil installations in the Gulf of Mexico.
The storm is still forecast to reach hurricane status as it approaches the Gulf of Mexico, home to a quarter of U.S. crude oil production and 15 percent of its natural gas output.
Gustav is forecast to hit the U.S. Gulf Coast around Monday and will be the first major hurricane to threaten U.S. energy installations since hurricanes Katrina and Rita in 2005.
U.S. light sweet crude oil <CLc1> fell $2.40 to $115.75 a barrel.
Spot gold prices <XAU=> rose $4.30 percent to $830.50 an ounce, erasing initial gains but still trading higher after bullion failed to breach resistance at $850 an ounce and as the dollar retraced earlier losses.
Asian stocks were little changed, but commodity-related shares received a boost from rising metals prices and also from crude prices,
Japan's Nikkei share average <
> was largely unchanged, and outside Japan, stocks in the Asia-Pacific region <.MIAPJ0000PUS> were up 0.5 percent. (By reporting Steven C. Johnson, Nick Olivari, Chris Reese and Frank Tang in New York and Jane Merriman and Atul Prakash in London. Editng by Richard Satran)