NEW YORK (AP) -- Shares of some top silver companies are up at 10 a.m.:
Hecla Mining Co. rose $.03 or .8 percent, to $3.41.
Pan American Silver Corp. rose $.14 or 1.1 percent, to $12.34.
Silver Standard Resources Inc. rose $.08 or 1.2 percent, to $6.99.
Silver Wheaton rose $.15 or .7 percent, to $23.24.
