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

Hecla Mining Co. fell $.06 or .9 percent, to $6.56.

Pan American Silver Corp. fell $.13 or .6 percent, to $21.67.

Silver Standard Resources Inc. fell $.31 or 2.0 percent, to $15.35.

Silver Wheaton rose $.01 or percent, to $38.81.

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