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

Unisys Corp. rose 15.0 percent to $21.75.

Freescale Semiconductor Ltd. rose 14.9 percent to $14.23.

CGI Group Inc. rose 8.3 percent to $26.27.

ManpowerGroup rose 6.7 percent to $51.78.

Robert Half International Inc. rose 6.6 percent to $35.74.

Avery Dennison Corp. rose 6.4 percent to $38.44.

Plantronics Inc. rose 6.1 percent to $41.53.

Chesapeake Energy Corp. rose 6.0 percent to $20.11.

Assured Guaranty Ltd. rose 5.3 percent to $17.90.

Evercore Partners rose 5.1 percent to $37.42.