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

Hecla Mining Co. fell $.06 or .9 percent, to $6.40.

Pan American Silver Corp. rose $.18 or .9 percent, to $20.82.

Silver Standard Resources Inc. rose $.26 or 1.7 percent, to $15.58.

Silver Wheaton fell $.45 or 1.2 percent, to $37.56.

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