NEW YORK (AP) â¿¿ Shares of some top silver companies are up at 1 p.m.:

Hecla Mining Co. rose $.05 or 1.1 percent, to $4.69.

Pan American Silver Corp. rose $.21 or 1.3 percent, to $15.80.

Silver Standard Resources Inc. rose $.26 or 2.0 percent, to $13.41.

Silver Wheaton rose $1.67 or 5.8 percent, to $30.35.

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