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

Hecla Mining Co. rose $.03 or .6 percent, to $5.29.

Pan American Silver Corp. rose $.12 or .7 percent, to $17.27.

Silver Standard Resources Inc. rose $.08 or .5 percent, to $14.64.

Silver Wheaton rose $.41 or 1.2 percent, to $34.09.

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