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

Hecla Mining Co. rose $.08 or 2.5 percent, to $3.22.

Pan American Silver Corp. rose $.26 or 1.8 percent, to $14.89.

Silver Standard Resources Inc. rose $.40 or 4.6 percent, to $9.17.

Silver Wheaton rose $.47 or 1.8 percent, to $26.49.