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

Jaguar Mining Inc. rose 44.9 percent to $7.81.

Quad/Graphics Inc. rose 11.6 percent to $14.29.

Primus Telecommunications Group rose 10.5 percent to $13.00.

RLJ Lodging Trust rose 9.8 percent to $17.03.

Active Network Inc. rose 8.9 percent to $16.00.

Vanguard Health Systems Inc. rose 7.6 percent to $9.75.

InterOil Corp. rose 7.5 percent to $50.47.

Excel Trust Inc. rose 7.5 percent to $11.63.

Western Digital Corp. rose 7.3 percent to $26.88.

Monmouth Real Estate Investment Corp. rose 7.0 percent to $8.77.

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