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

Checkpoint Systems Inc. fell 21.5 percent to $11.31.

Agnico-Eagle Mines Ltd. fell 18.5 percent to $46.51.

Demand Media Inc. fell 13.4 percent to $5.62.

Comerica Inc. fell 10.5 percent to $23.13.

AuRico Gold Inc. fell 9.5 percent to $9.10.

Western Digital Corp. fell 9.3 percent to $24.44.

Overseas Shipholding Group fell 9.2 percent to $13.30.

Endeavour Silver Corp. fell 9.2 percent to $9.04.

Chemtura Corp. fell 8.6 percent to $10.64.

Piper Jaffray Cos fell 8.6 percent to $18.45.
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