NEW YORK (AP) â¿¿ Shares of some top silver companies are up at 1 p.m.:
Hecla Mining Co. rose $.20 or 3.1 percent, to $6.67.
Pan American Silver Corp. rose $.38 or 1.8 percent, to $21.99.
Silver Standard Resources Inc. rose $.62 or 4.1 percent, to $15.91.
Silver Wheaton rose $1.45 or 3.7 percent, to $40.22.
