NEW YORK (AP) â¿¿ A look at the 10 biggest percentage gainers on New York Stock Exchange at 1 p.m.:

Cobalt International Energy Inc. rose 31.0 percent to $13.23.

Jefferies Group rose 23.0 percent to $14.51.

Prestige Brands Holdings Inc. rose 23.0 percent to $11.48.

Fusion-io Inc. rose 13.8 percent to $24.60.

USG Corp. rose 11.3 percent to $9.23.

Digital Domain Media Group rose 10.9 percent to $6.10.

Fortuna Silver Mines Inc. rose 10.8 percent to $5.84.

Basic Energy Services Inc. rose 10.8 percent to $19.12.

Kindred Healthcare Inc. rose 10.6 percent to $11.87.

MI Homes Inc. rose 10.4 percent to $9.80.
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