NEW YORK (AP) â¿¿ Shares of some top silver companies were up at the close of trading:
Hecla Mining Co. rose $.06 or 1.1 percent, to $5.73.
Pan American Silver Corp. rose $.24 or 1.3 percent, to $19.05.
Silver Standard Resources Inc. rose $.15 or 1.1 percent, to $13.81.
Silver Wheaton rose $.10 or .3 percent, to $36.44.
