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

Pharmerica Corp. rose 31.3 percent to $14.35.

Ivanhoe Mines Ltd. rose 13.9 percent to $19.72.

Heico Corp. rose 12.4 percent to $49.85.

Heico Inc A rose 12.2 percent to $35.42.

Sotheby's Holdings Inc. rose 11.5 percent to $33.61.

MEMC Electronic Materials Inc. rose 11.3 percent to $6.75.

NCI Building Systems Inc. rose 11.0 percent to $8.51.

MarineMax Inc. rose 10.4 percent to $6.58.

Patriot Coal Corp. rose 10.4 percent to $13.08.

Omnicare Inc. rose 10.3 percent to $29.66.

Copyright 2011 Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.