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

Hecla Mining Co. fell $.08 or 1.3 percent, to $5.75.

Pan American Silver Corp. fell $.03 or .2 percent, to $19.01.

Silver Standard Resources Inc. fell $.01 or .1 percent, to $15.16.

Silver Wheaton fell $.12 or .3 percent, to $36.23.

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