NEW YORK (AP) — A look at the 10 biggest percentage gainers on New York Stock Exchange at the close of trading:

Flagstone Reinsurance Holdings SA rose 21.8 percent to $8.60.

BP Prudhoe Bay Royalty Trust rose 16.6 percent to $89.51.

Zale Corp. rose 16.2 percent to $5.03.

Pandora Media Inc. rose 14.3 percent to $11.52.

Accretive Health Inc. rose 10.4 percent to $11.92.

Visteon Corp. rose 8.7 percent to $46.16.

Greif Inc. A rose 8.6 percent to $44.22.

Buckle Inc. rose 7.1 percent to $46.28.

Millenial Media Inc. rose 6.5 percent to $11.39.

Natural Grocers by Vitamin Cottage Inc. rose 5.1 percent to $21.54.