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

Hecla Mining Co. rose $.01 or .5 percent, to $3.26.

Pan American Silver Corp. rose $.15 or 1.1 percent, to $14.37.

Silver Standard Resources Inc. rose $.12 or 1.2 percent, to $9.45.

Silver Wheaton rose $.26 or 1.0 percent, to $25.11.