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

IDT Corp. fell 16.5 percent to $10.99.

Ivanhoe Mines Ltd. fell 16.0 percent to $17.39.

K12 Inc. fell 13.2 percent to $25.00.

Best Buy Co. fell 11.4 percent to $24.86.

Forest Oil Corp. fell 10.3 percent to $14.43.

Sensata Tech Hldg fell 7.7 percent to $27.91.

Factset Research Systems Inc. fell 7.1 percent to $88.05.

Imperva Inc. fell 6.3 percent to $27.90.

hhgregg Inc. fell 6.1 percent to $15.25.

Pioneer Swst Engy fell 5.9 percent to $28.67.
Copyright 2011 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

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