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 $4.59.

Pan American Silver Corp. fell $.37 or 2.4 percent, to $15.01.

Silver Standard Resources Inc. rose $.02 or .2 percent, to $12.40.

Silver Wheaton rose $.16 or .5 percent, to $30.60.

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