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

Hill International rose 60.1 percent to $6.98.

ITT Educational Services Inc. rose 15.6 percent to $81.74.

DeVry Inc. rose 13.2 percent to $61.09.

Universal Technical Institute Inc. rose 7.8 percent to $18.76.

Southern Copper rose 5.2 percent to $34.89.

RTI International Metals Inc. rose 4.7 percent to $37.74.

Credicorp Ltd. rose 4.3 percent to $102.21.

Washington Post Co. rose 4.3 percent to $423.52.

Rex Amer Resources rose 4.2 percent to $16.23.

Genworth Financial Inc. rose 4.2 percent to $11.08.

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