Of 3.3 billion shares that traded on the New York Stock Exchange, 76% rose while 23% declined. 1.7 billion shares changed hands on the Nasdaq.

Continucare ( CNU), a provider of primary care physician services, jumped 31% on news of a $416 million buyout by Metropolitan Health Networks ( MDF). Metropolitan Health's stock lost 3% to $4.75.

Exco Resources' ( XCO) CEO Douglas Miller is considering buying part of the independent oil and natural gas company after facing difficulty in taking the company private , according to a Wall Street Journal report. Exco's stock lost 7% to $17.44.

Nokia ( NOK) and Siemens ( SI) have decided to restructure their telecom-equipment joint venture after failing to find investors to buy a controlling stake in the business, according to a Wall Street Journal report. Nokia's stock finished up 3% at $6.04 and shares of Siemens gained 0.6% to $132.

Shares of LDK Solar ( LDK) gained 5% to $7.14 after the company announced plans to buy back up to $110 million of its American Depository Shares .

The August crude oil contract shed 53 cents to $90.63 a barrel. Gold for August delivery fell $4.50 to $1,496.40 an ounce.

The benchmark 10-year Treasury fell 18/32, lifting the yield to 2.934%. The FTSE in London rose 0.4% while the DAX in Frankfurt shed 0.2%. Hong Kong's Hang Seng slipped 0.6%, and Japan's Nikkei lost 1%.

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-- Written by Chao Deng and Melinda Peer in New York.

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