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

Hecla Mining Co. rose $.06 or 1.0 percent, to $5.79.

Pan American Silver Corp. fell $.01 or .1 percent, to $18.76.

Silver Standard Resources Inc. fell $.17 or 1.1 percent, to $14.87.

Silver Wheaton fell $.06 or .2 percent, to $35.98.

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