NEW YORK (AP) â¿¿ A look at the 10 biggest percentage gainers on New York Stock Exchange at the close of trading:

Molycorp Inc. rose 13.0 percent to $36.45.

Ivanhoe Mines Ltd. rose 13.0 percent to $16.91.

New York Times Co. rose 12.7 percent to $6.75.

CPI Corp. rose 12.5 percent to $6.56.

Boyd Gaming Corp. rose 12.0 percent to $5.68.

Emergent Biosolution rose 11.0 percent to $18.85.

Wabash National Corp. rose 10.9 percent to $5.49.

Kronos Worldwide Inc. rose 10.9 percent to $19.00.

Sparton Corp. rose 10.7 percent to $6.60.

Kraton Performance Polymers Inc. rose 10.5 percent to $18.34.

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