Wall Street supported by the results of Alcoa

The U.S. stock markets are another step forward Tuesday. Following the better than expected results from Alcoa, the New York Stock Exchange, like European stock markets continue their progress. The Dow Jones gains 1% to 10,318 points, the Nasdaq rose 0.90% to 2219 points and the S & P 500 climbed 1.03% to 1090 points. The night before, after long hesitation which direction to take, the New York Stock Exchange finished the session up into smaller, undecided before the start of the season results with the aluminum producer Alcoa. The Dow Jones gleaned 0.18% to 10 216.27 points and the Nasdaq 0.09% at 2 198.36 points.The broader index Standard & Poor's 500 index of leading his side to finish by 0.07% to 1 078.75 points.

On the foreign exchange market, the euro dropped sharply against the dollar Tuesday, weighed down by the lowering of the sovereign rating of Portugal in the ratings agency Moody's, which relaunched the concerns about the fiscal health of the member countries of the euro area .

On the side of macroeconomic indicators, the U.S. Department of Commerce must publish the figures for trade balance in May while the Treasury will unveil the state of the U.S. budget.

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On the side of values, Alcoa started the ball rolling quarterly results yesterday after the close of the NYSE. The group returned in the green in the second quarter, with net income of $ 136 million, against a loss of $ 454 million a year earlier, and expressed "great prospects".For a year, Alcoa had recorded one quarter in the green, in summer 2009, but the whole of 2009 was marked by a heavy loss to the tune of $ 1.15 billion .

Always on the side of values, the burst of U.S. results will continue this week with the technology companies Google, Advanced Micro Devices or Intel and banks JPMorgan and Bank of America. Citigroup and General Electric will unveil their findings Friday.

Also note, a hedge fund, the fund Cambridge, filed a complaint against Morgan Stanley, Goldman Sachs and ten other banks in the hope of recovering lost $ 1.2 billion in securities backed by mortgages subprime .

The internet group Google on Monday launched a new tool, "App Inventor", which should allow all users to create their own applications

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