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

"Pep Boys -- Manny, Moe & Jack" fell 10.1 percent to $12.53.

Dex One Corp. fell 8.2 percent to $5.27.

Swift Energy Co. fell 7.1 percent to $42.95.

Kenneth Cole Productions Inc. fell 7.0 percent to $13.00.

Calix Inc. fell 6.9 percent to $17.79.

A.H. Belo Corp. fell 6.5 percent to $7.19.

MEMC Electronic Materials Inc. fell 6.2 percent to $13.57.

Hecla Mining Co. fell 5.9 percent to $10.15.

Ashford Hospitality Trust Inc. fell 5.8 percent to $10.31.

Armstrong World Inds fell 5.1 percent to $41.64.
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