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

Hecla Mining Co. rose $.10 or 2.2 percent, to $4.66.

Pan American Silver Corp. rose $.25 or 1.8 percent, to $14.31.

Silver Standard Resources Inc. fell $.06 or .5 percent, to $12.70.

Silver Wheaton rose $.24 or .9 percent, to $27.48.

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