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

Wabash National Corp. rose 23.5 percent to $7.79.

Prestige Brands Holdings Inc. rose 18.5 percent to $20.60.

Radian Group rose 14.5 percent to $5.37.

AVG Technologies N.V. rose 14.4 percent to $12.00.

Advance Auto Parts Inc. rose 14.2 percent to $81.00.

SM Energy Co. rose 10.8 percent to $59.73.

Aeropostale Inc. rose 10.5 percent to $13.21.

RTI International Metals Inc. rose 10.1 percent to $25.10.

Standex International Corp. rose 9.8 percent to $50.79.

Heartland Payment Systems Inc. rose 9.5 percent to $28.56.

Copyright 2011 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.
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