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

K12 Inc. fell 23.6 percent to $22.00.

Ivanhoe Mines Ltd. fell 22.7 percent to $16.01.

IDT Corp. fell 18.7 percent to $10.70.

Best Buy Co. fell 15.5 percent to $23.73.

Penn Virginia Corp. fell 14.2 percent to $5.07.

Forest Oil Corp. fell 12.7 percent to $14.04.

Artio Global Investors Inc. fell 9.1 percent to $5.31.

USG Corp. fell 9.1 percent to $8.85.

Manitowoc Co. fell 8.9 percent to $9.36.

IntraLinks Holdings Inc. fell 8.4 percent to $5.79.
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