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* FTSEurofirst 300 closes 0.7 percent lower
* Index falls for third straight week
* Banks lower after Barclays results, Goldman downgrade
* BP falls more than 10 percent in week on oil spill worries
By Brian Gorman
LONDON, April 30 (Reuters) - European shares fell on Friday, with banks declining after results from Barclays <BARC.L> failed to impress investors and as Goldman Sachs <GS.N> tumbled 8 percent following a broker downgrade.
The pan-European FTSEurofirst 300 <
> fell 0.7 percent to close at 1,062.32 points.Over the week, the European benchmark index lost 2.7 percent, its third straight week of declines. It fell 1.5 percent through April, but remains up more than 64 percent from its lifetime low set on March 9, 2009.
Barclays ended the day 6.4 percent lower as results from Barclays Capital, its investment banking arm, failed to match the lofty growth shown by many rivals. [
]The sector was not helped by shares of Goldman Sachs <GS.N> falling more than 8 percent, following media reports that U.S. federal prosecutors in New York have begun investigating the company. [
]BofA Merrill Lynch downgraded Goldman to "neutral".
Other banks to fall included Credit Agricole <CAGR.PA>, Credit Suisse <CSGN.VX>, Deutsche Bank <DBKGn.DE>, HSBC <HSBA.L>, Royal Bank of Scotland <RBS.L> and Societe Generale <SOGN.PA>, down between 1.5 and 3.3 percent.
"The Barclays results were seen as disappointing," said Colin McLean, managing director at fund management group SVM in Edinburgh.
"And Goldman is likely to lead to tougher regulation and more tax for the banks. It's very difficult to have any politicians speak up for the sector while this is going on."
He added: "But people are still looking to a Greek resolution over the weekend, and I think the rally will resume." The European Commission said talks on an aid package to crisis-hit Greece should be wrapped by by Saturday.
Elsewhere two major energy companies were among those taking the most points off the index. BP <BP.L> fell 1.5 percent, taking its loss for the week to more than 10 percent, as it faces a massive bill to clean up an oil spill in the Gulf of Mexico.
Total <TOTF.PA> fell 2.6 percent results which analysts said were less impressive than those of BP and Shell <RDSa.L>.
Across Europe, Britain's FTSE 100 index <
> ended the day 1.2 percent lower, while Germany's DAX < > and France's CAC 40 < > lost 0.2 and 0.6 percent respectively.
MINERS FALL
Mining shares were also under pressure, reversing gains from earlier in the session. The Australian government is expected to impose additional taxes on big miners, a report said on Friday, as part of a review of the taxation system to be unveiled at the weekend. [
]Anglo American <AAL.L>, Antofagasta <ANTO.L>, BHP Billiton <BLT.L>, Rio Tinto <RIO.L>, Vedanta <VED.L> and Xstrata <XTA.L> fell between 2.5 and 4.4 percent.
Among individual stocks, Norwegian seismic surveyor Petroleum Geo-Services ASA <PGS.OL> fell 8.5 percent after posting below-forecast quarterly earnings.
Wall Street was lower around the time European bourses were closing. The Dow Jones <
>, S&P 500 <.SPX> and Nasdaq Composite < > were down between 0.1 and 0.5 percent.As well as Goldman, U.S. investors were digesting mixed economic news.
The U.S. economy grew at an annualised rate of 3.2 percent in the first quarter, said the Commerce Department, slightly below forecasts of 3.4 percent. [
]U.S. consumer sentiment fell in April from the month before, but was better than expectations as consumers saw the economic recovery well under way but painfully slow.
At 72.2, the Thomson Reuters/University of Michigan's Surveys of Consumers' final April reading on the overall index on consumer sentiments also was above the preliminary reading of 69.5 for the month, which was the lowest in five months. (Editing by David Holmes)