NEW YORK (AP) â¿¿ Shares of some top silver companies were mixed at the close of trading:

Hecla Mining Co. rose $.01 or .2 percent, to $6.37.

Pan American Silver Corp. rose $.46 or 2.2 percent, to $21.02.

Silver Standard Resources Inc. rose $.13 or .8 percent, to $16.21.

Silver Wheaton fell $.41 or 1.0 percent, to $38.92.

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 This material may not be published, broadcast, rewritten or redistributed.