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

Hecla Mining Co. fell $.07 or 1.5 percent, to $4.66.

Pan American Silver Corp. rose $.01 or .1 percent, to $15.84.

Silver Standard Resources Inc. fell $.47 or 3.5 percent, to $13.00.

Silver Wheaton rose $.02 or .1 percent, to $30.55.

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