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

Checkpoint Systems Inc. fell 23.5 percent to $11.02.

Agnico-Eagle Mines Ltd. fell 17.6 percent to $47.03.

Demand Media Inc. fell 16.5 percent to $5.42.

Knoll Inc. fell 11.6 percent to $14.00.

Western Digital Corp. fell 9.5 percent to $24.39.

Comerica Inc. fell 9.1 percent to $23.51.

AuRico Gold Inc. fell 7.4 percent to $9.31.

Overseas Shipholding Group fell 7.3 percent to $13.57.

Rockwood Holdings Inc. fell 6.8 percent to $40.49.

Chemtura Corp. fell 6.6 percent to $10.87.
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