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

Hecla Mining Co. fell $.36 or 5.7 percent, to $5.97.

Pan American Silver Corp. fell $.03 or .1 percent, to $21.36.

Silver Standard Resources Inc. rose $.42 or 3.0 percent, to $14.63.

Silver Wheaton rose $.65 or 1.7 percent, to $39.63.

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