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

Hecla Mining Co. rose $.10 or 2.2 percent, to $4.55.

Pan American Silver Corp. rose $.05 or .4 percent, to $14.02.

Silver Standard Resources Inc. rose $.26 or 2.1 percent, to $12.73.

Silver Wheaton rose $.46 or 1.7 percent, to $26.98.

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