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

Arch Coal Inc. rose 7.2 percent to $6.65.

Swift Transportation Co. rose 6.9 percent to $9.39.

Consol Energy Inc. rose 6.0 percent to $31.49.

Walter Industries Inc. rose 5.8 percent to $33.16.

Alpha Natural Resources Inc. rose 5.6 percent to $6.65.

Kinross Gold Corp. rose 5.5 percent to $11.00.

Ryder System Inc. rose 5.4 percent to $41.34.

United Rentals Inc. rose 5.3 percent to $33.87.

Ocwen Financial Corp. rose 5.1 percent to $36.65.

Silvercorp Metals Inc. rose 4.9 percent to $6.47.

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