NEW YORK (AP) -- A look at the 10 biggest percentage gainers on Nasdaq at the close of trading:
GTx Inc. rose 13.4 percent to $6.35.
Natl Beverage rose 9.8 percent to $17.39.
Century Aluminum Co. rose 9.6 percent to $10.01.
OpenTable Inc. rose 8.8 percent to $69.79.
Global Technologies Appliances Inc. rose 8.2 percent to $9.71.
FBR & Co. rose 8.0 percent to $23.76.
Marine Petroleum Trust rose 7.6 percent to $17.18.
Guaranty Bancorp rose 7.6 percent to $11.46.
P&F Industries Inc. rose 7.6 percent to $8.91.
National Technical Systems Inc. rose 7.2 percent to $13.03.
