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

Dean Foods Co. fell 18.0 percent to $8.50.

Feihe International Inc. fell 14.8 percent to $10.95.

Willbros Group Inc. fell 13.0 percent to $8.66.

K12 Inc. fell 11.5 percent to $24.91.

US Gold Corp. fell 10.6 percent to $5.65.

GAMCO Investors Inc. fell 9.4 percent to $42.81.

Silvercorp Metals Inc. fell 9.3 percent to $11.54.

Emdeon Inc. fell 9.2 percent to $12.70.

Valhi Inc. fell 9.0 percent to $20.21.

Volt Information Sciences Inc. fell 8.8 percent to $8.06.
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