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

Kenneth Cole Productions Inc. fell 9.7 percent to $12.63.

Dex One Corp. fell 6.8 percent to $5.35.

Dril-Quip Inc. fell 6.8 percent to $73.67.

Swift Energy Co. fell 6.5 percent to $43.23.

A.H. Belo Corp. fell 6.0 percent to $7.23.

Hecla Mining Co. fell 5.8 percent to $10.16. Inc. fell 5.7 percent to $130.85.

Newpark Resources Inc. fell 5.6 percent to $6.85.

Armstrong World Inds fell 5.3 percent to $41.55.

MEMC Electronic Materials Inc. fell 4.7 percent to $13.79.
Copyright 2011 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.