NYSE Stocks Posting Largest Percentage Decreases

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

Trulia Inc. fell 7.7 percent to $32.62.

Group 1 Automotive Inc. fell 7.5 percent to $61.64.

Humana Inc. fell 7.0 percent to $72.55.

Mesa Royalty Trust fell 6.7 percent to $21.85.

Universal American Corp. fell 6.2 percent to $9.22.

Arabian American Development Co. fell 6.1 percent to $7.44.

Whiting USA Trust fell 5.5 percent to $6.07.

Primero Mining Corp. fell 5.3 percent to $5.73.

Hovnanian Enterprises Inc. fell 5.1 percent to $5.71.

Nam Tai Electronics Inc. fell 5.1 percent to $13.63.

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