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

Hecla Mining Co. fell $.06 or .9 percent, to $6.29.

Pan American Silver Corp. fell $.26 or 1.2 percent, to $21.49.

Silver Standard Resources Inc. fell $.39 or 2.6 percent, to $14.50.

Silver Wheaton fell $.54 or 1.4 percent, to $38.95.

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