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

Hecla Mining Co. rose $.01 or .2 percent, to $6.50.

Pan American Silver Corp. fell $.14 or .7 percent, to $21.26.

Silver Standard Resources Inc. fell $.20 or 1.4 percent, to $14.58.

Silver Wheaton rose $.13 or .3 percent, to $38.37.

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