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 $6.60.

Pan American Silver Corp. rose $.34 or 1.6 percent, to $21.95.

Silver Standard Resources Inc. rose $.26 or 1.7 percent, to $15.55.

Silver Wheaton rose $.97 or 2.5 percent, to $39.74.