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

Hecla Mining Co. rose $.09 or 1.4 percent, to $6.67.

Pan American Silver Corp. rose $.43 or 2.0 percent, to $22.40.

Silver Standard Resources Inc. rose $.15 or 1.0 percent, to $15.38.

Silver Wheaton rose $.27 or .7 percent, to $40.77.

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