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

Higher One Holdings Inc. fell 7.2 percent to $15.13.

Fortuna Silver Mines Inc. fell 6.8 percent to $5.72.

KB Home fell 4.9 percent to $9.79.

Laredo Petroleum Holdings Inc. fell 3.8 percent to $24.30.

Safeway Inc. fell 3.8 percent to $20.32.

Whiting USA Trust II fell 3.7 percent to $23.55.

Frontline Ltd. fell 3.6 percent to $6.88.

Seaspan Corp. fell 3.6 percent to $16.68.

McMoRan Exploration Co. fell 3.5 percent to $12.20.

Standard Motor Products Inc. fell 3.3 percent to $18.31.

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