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

Hecla Mining Co. rose $.02 or .6 percent, to $3.46.

Pan American Silver Corp. rose $.19 or 1.2 percent, to $15.44.

Silver Standard Resources Inc. rose $.23 or 2.7 percent, to $8.81.

Silver Wheaton rose $.57 or 2.2 percent, to $26.55.