NEW YORK (AP) â¿¿ Shares of some top silver companies are mixed at 10 a.m.:

Hecla Mining Co. rose $.06 or 1.4 percent, to $4.27.

Pan American Silver Corp. rose $.01 or .1 percent, to $13.68.

Silver Standard Resources Inc. fell $.05 or .4 percent, to $11.46.

Silver Wheaton rose $.02 or .1 percent, to $25.52.

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