NEW YORK (AP) â¿¿ Shares of some top silver companies are mixed at 1 p.m.:

Hecla Mining Co. rose $.01 or .3 percent, to $4.59.

Pan American Silver Corp. fell $.32 or 2.1 percent, to $15.06.

Silver Standard Resources Inc. rose $.03 or .2 percent, to $12.41.

Silver Wheaton rose $.08 or .3 percent, to $30.52.

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