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

Hecla Mining Co. fell $.04 or .7 percent, to $5.44.

Pan American Silver Corp. fell $.25 or 1.4 percent, to $18.02.

Silver Standard Resources Inc. fell $.38 or 2.5 percent, to $15.12.

Silver Wheaton rose $.02 or .1 percent, to $35.16.

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 This material may not be published, broadcast, rewritten or redistributed.