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

Hecla Mining Co. rose $.02 or .4 percent, to $5.43.

Pan American Silver Corp. rose $.22 or 1.3 percent, to $17.82.

Silver Standard Resources Inc. rose $.46 or 3.1 percent, to $15.29.

Silver Wheaton rose $.28 or .8 percent, to $34.88.

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