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

Hecla Mining Co. rose $.01 or .2 percent, to $6.37.

Pan American Silver Corp. rose $.27 or 1.3 percent, to $20.83.

Silver Standard Resources Inc. fell $.02 or .1 percent, to $16.06.

Silver Wheaton fell $.45 or 1.1 percent, to $38.88.

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