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 $5.83.

Pan American Silver Corp. rose $.13 or .7 percent, to $19.17.

Silver Standard Resources Inc. rose $.12 or .8 percent, to $15.29.

Silver Wheaton fell $.16 or .4 percent, to $36.19.

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