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

Hecla Mining Co. fell $.16 or 2.3 percent, to $6.68.

Pan American Silver Corp. fell $.34 or 1.6 percent, to $21.49.

Silver Standard Resources Inc. fell $.30 or 1.8 percent, to $16.11.

Silver Wheaton rose $.26 or .7 percent, to $39.68.

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