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

Genco Shipping rose 9.8 percent to $7.84.

Silvercorp Metals Inc. rose 9.4 percent to $8.99.

Standex International Corp. rose 8.7 percent to $32.99.

Valero Energy Corp. rose 6.2 percent to $23.67.

SWS Group Inc. rose 5.8 percent to $5.25.

Arcos Dorados Holdings Inc. rose 5.0 percent to $28.53.

FXCM Inc. rose 4.4 percent to $11.79.

Marathon Petroleum Corp. rose 4.1 percent to $37.77.

Global Partners LP rose 3.8 percent to $20.75.

Navigant Consulting Inc. rose 3.7 percent to $9.19.

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