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

Hecla Mining Co. rose $.05 or 1.1 percent, to $4.61.

Pan American Silver Corp. rose $.09 or .6 percent, to $14.15.

Silver Standard Resources Inc. fell $.14 or 1.1 percent, to $12.62.

Silver Wheaton rose $.09 or .3 percent, to $27.33.

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