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

Hecla Mining Co. rose $.05 or 1.0 percent, to $5.18.

Pan American Silver Corp. rose $.09 or .5 percent, to $17.09.

Silver Standard Resources Inc. rose $.06 or .4 percent, to $13.89.

Silver Wheaton rose $.17 or .5 percent, to $33.57.

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