NEW YORK (AP) â¿¿ Shares of some top silver companies are mixed at 1 p.m.:
Hecla Mining Co. fell $.04 or .7 percent, to $5.59.
Pan American Silver Corp. fell $.11 or .6 percent, to $18.32.
Silver Standard Resources Inc. rose $.46 or 3.2 percent, to $14.99.
Silver Wheaton rose $.34 or 1.0 percent, to $34.94.
