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

Hecla Mining Co. fell $.01 or .2 percent, to $5.28.

Pan American Silver Corp. fell $.34 or 2.0 percent, to $16.85.

Silver Standard Resources Inc. fell $.48 or 3.3 percent, to $13.97.

Silver Wheaton rose $.09 or .3 percent, to $33.49.

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