Silver companies shares mixed at 1 p.m.

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

Hecla Mining Co. unchanged at $3.45.

Pan American Silver Corp. rose $.07 or .5 percent, to $15.42.

Silver Standard Resources Inc. rose $.02 or .2 percent, to $8.68.

Silver Wheaton fell $.18 or .7 percent, to $26.09.