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

Hecla Mining Co. fell $.05 or 1.0 percent, to $4.61.

Pan American Silver Corp. rose $.18 or 1.3 percent, to $14.49.

Silver Standard Resources Inc. rose $.06 or .5 percent, to $12.76.

Silver Wheaton rose $.36 or 1.3 percent, to $27.84.

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