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

Hecla Mining Co. fell $.03 or .6 percent, to $5.34.

Pan American Silver Corp. rose $.05 or .3 percent, to $17.32.

Silver Standard Resources Inc. rose $.09 or .6 percent, to $14.95.

Silver Wheaton fell $.04 or .1 percent, to $34.04.

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