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

K12 Inc. fell 18.8 percent to $16.61.

Mesabi Trust fell 6.7 percent to $22.67.

Wiley John B fell 4.3 percent to $41.17.

North European Oil Royalty Trust fell 4.3 percent to $23.02.

Whiting USA Trust fell 4.1 percent to $5.57.

Vail Resorts Inc. fell 2.8 percent to $54.79.

Assurant Inc. fell 2.7 percent to $34.61.

Universal American Corp. fell 2.4 percent to $8.05.

WhiteWave Foods Co. fell 2.2 percent to $14.62.

Journal Communications Inc. fell 2.0 percent to $5.40.