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

Hecla Mining Co. rose $.29 or 6.3 percent, to $4.90.

Pan American Silver Corp. rose $1.03 or 6.7 percent, to $16.38.

Silver Standard Resources Inc. rose $.33 or 2.6 percent, to $12.87.

Silver Wheaton rose $.90 or 2.9 percent, to $31.65.

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