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

Hecla Mining Co. fell $.04 or .7 percent, to $5.88.

Pan American Silver Corp. fell $.51 or 2.4 percent, to $21.10.

Silver Standard Resources Inc. fell $.33 or 2.2 percent, to $14.34.

Silver Wheaton rose $.01 or percent, to $39.54.

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