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.
