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

Hecla Mining Co. rose $.39 or 6.0 percent, to $6.84.

Pan American Silver Corp. rose $.78 or 3.7 percent, to $21.83.

Silver Standard Resources Inc. rose $.79 or 5.1 percent, to $16.41.

Silver Wheaton rose $1.77 or 4.7 percent, to $39.42.

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