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

Hecla Mining Co. rose $.01 or .2 percent, to $4.63.

Pan American Silver Corp. rose $.01 or .1 percent, to $15.65.

Silver Standard Resources Inc. rose $.07 or .6 percent, to $12.77.

Silver Wheaton rose $.07 or .2 percent, to $30.75.

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