NEW YORK (AP) â¿¿ Shares of some top silver companies are mixed at 1 p.m.:
Hecla Mining Co. rose $.02 or .4 percent, to $5.68.
Pan American Silver Corp. rose $.18 or 1.0 percent, to $18.35.
Silver Standard Resources Inc. fell $.05 or .4 percent, to $14.19.
Silver Wheaton rose $.17 or .5 percent, to $34.66.
