NEW YORK (AP) â¿¿ A look at the 10 biggest percentage gainers on New York Stock Exchange at 1 p.m.:

Molycorp Inc. rose 11.7 percent to $36.05.

Kronos Worldwide Inc. rose 11.4 percent to $19.10.

Ivanhoe Mines Ltd. rose 11.0 percent to $16.62.

Wabash National Corp. rose 10.7 percent to $5.48.

USG Corp. rose 10.6 percent to $7.75.

CPI Corp. rose 10.6 percent to $6.45.

Kraton Performance Polymers Inc. rose 9.7 percent to $18.20.

New York Times Co. rose 9.3 percent to $6.55.

Quad/Graphics Inc. rose 9.1 percent to $17.46.

Constellation Brands Inc. class B rose 9.0 percent to $20.30.
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