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

Hecla Mining Co. rose $.08 or 1.2 percent, to $6.55.

Pan American Silver Corp. rose $.30 or 1.4 percent, to $21.60.

Silver Standard Resources Inc. rose $.27 or 1.8 percent, to $14.93.

Silver Wheaton rose $.67 or 1.7 percent, to $39.93.

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