NEW YORK (AP) — Shares of some top silver companies are up at 10 a.m.:

Hecla Mining Co. rose $.13 or 2.0 percent, to $6.56.

Pan American Silver Corp. rose $.24 or 1.1 percent, to $21.43.

Silver Standard Resources Inc. rose $.59 or 4.0 percent, to $15.21.

Silver Wheaton rose $.90 or 2.3 percent, to $39.90.