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

Hecla Mining Co. fell $.11 or 1.7 percent, to $6.51.

Pan American Silver Corp. fell $.33 or 1.5 percent, to $21.47.

Silver Standard Resources Inc. fell $.24 or 1.6 percent, to $15.15.

Silver Wheaton fell $.50 or 1.3 percent, to $39.39.

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