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

Hecla Mining Co. rose $.22 or 3.5 percent, to $6.59.

Pan American Silver Corp. rose $.47 or 2.2 percent, to $21.49.

Silver Standard Resources Inc. rose $.09 or .6 percent, to $16.30.

Silver Wheaton rose $.63 or 1.6 percent, to $39.55.

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