NEW YORK (AP) â¿¿ Shares of some top silver companies are mixed at 10 a.m.:

Hecla Mining Co. fell $.01 or .2 percent, to $6.48.

Pan American Silver Corp. fell $.16 or .7 percent, to $21.23.

Silver Standard Resources Inc. rose $.07 or .5 percent, to $14.93.

Silver Wheaton fell $.19 or .5 percent, to $39.03.

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