NEW YORK
Shares of some top silver companies are up at 10 a.m.:
Hecla Mining rose $.19 or 3.5 percent, to $5.62.
Pan American Silver rose $.60 or 2.5 percent, to $24.20.
Silver Standard rose $.55 or 2.8 percent, to $20.14.
Silver Wheaton rose $.43 or 2.9 percent, to $15.40.