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

Hecla Mining Co. rose $.16 or 3.0 percent, to $5.42.

Pan American Silver Corp. rose $.03 or .2 percent, to $17.41.

Silver Standard Resources Inc. rose $1.04 or 7.4 percent, to $15.05.

Silver Wheaton rose $.06 or .2 percent, to $34.25.

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 This material may not be published, broadcast, rewritten or redistributed.