NEW YORK (AP) â¿¿ Shares of some top silver companies were down at the close of trading:
Hecla Mining Co. fell $.27 or 4.6 percent, to $5.54.
Pan American Silver Corp. fell $.99 or 5.1 percent, to $18.57.
Silver Standard Resources Inc. fell $.96 or 6.7 percent, to $13.35.
Silver Wheaton fell $2.62 or 6.7 percent, to $36.52.
