A look at the 10 biggest percentage gainers on New York Stock Exchange at 1 p.m.:
Williams-Sonoma Inc. rose 10.8 percent to $50.10.
AAR Corp. rose 9.6 percent to $19.70.
Cobalt International Energy Inc. rose 7.9 percent to $27.83.
GrafTech International Ltd. rose 6.9 percent to $7.89.
Willbros Group rose 6.7 percent to $8.97.
MagnaChip Semiconductor Corp. rose 5.9 percent to $17.50.
Haverty Furniture Cos. class A rose 5.3 percent to $19.97.
Team Health Hldgs rose 5.1 percent to $35.74.
Krispy Kreme Doughnuts Inc. rose 5.0 percent to $14.92.
Fortress Investment Group rose 5.0 percent to $6.90.
