NEW YORK (AP) --

Shares of some top silver companies were up at the close of trading:
Hecla Mining rose $.74 or 18.0 percent, to $4.85.
Pan American Silver rose $1.63 or 7.7 percent, to $22.88.
Silver Standard rose $1.44 or 7.7 percent, to $20.16.
Silver Wheaton rose $1.20 or 9.5 percent, to $13.85.