NEW YORK (AP) â¿¿ Shares of some top silver companies are up at 1 p.m.:

Hecla Mining Co. rose $.18 or 3.1 percent, to $5.99.

Pan American Silver Corp. rose $.57 or 3.1 percent, to $19.15.

Silver Standard Resources Inc. rose $.40 or 2.7 percent, to $15.47.

Silver Wheaton rose $1.21 or 3.3 percent, to $37.43.

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 This material may not be published, broadcast, rewritten or redistributed.