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

Hecla Mining Co. fell $.06 or 1.2 percent, to $5.07.

Pan American Silver Corp. fell $.18 or 1.1 percent, to $16.82.

Silver Standard Resources Inc. fell $.14 or 1.0 percent, to $13.69.

Silver Wheaton fell $.29 or .9 percent, to $33.11.

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