NEW YORK (AP) â¿¿ Shares of some top silver companies were up at the close of trading:

Hecla Mining Co. rose $.05 or .9 percent, to $5.73.

Pan American Silver Corp. rose $.03 or .2 percent, to $18.77.

Silver Standard Resources Inc. rose $.23 or 1.6 percent, to $15.03.

Silver Wheaton rose $.13 or .4 percent, to $36.04.

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