Silver companies shares down at 1 p.m.

Shares of some top silver companies are down at 1 p.m.:

Hecla Mining Co. fell $.11 or 3.2 percent, to $3.36.

Pan American Silver Corp. fell $.10 or .6 percent, to $15.32.

Silver Standard Resources Inc. fell $.12 or 1.4 percent, to $8.63.

Silver Wheaton fell $.15 or .6 percent, to $26.40.