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

Hecla Mining Co. rose $.06 or 1.0 percent, to $5.74.

Pan American Silver Corp. rose $.22 or 1.2 percent, to $18.96.

Silver Standard Resources Inc. rose $.45 or 3.0 percent, to $15.25.

Silver Wheaton rose $.39 or 1.1 percent, to $36.30.

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