Ero Copper is trading 4.06% up now at $33.59 as copper-related selling pressure eases amid uncertainty over potential U.S. refined-copper tariffs.

  • Copper’s recent tariff-driven reversal pressured mining equities, including Ero Copper.
  • The broader market turned risk-on, with the S&P 500, Nasdaq Composite, and Dow Jones all higher on September 17, 2026, reinforcing the recovery in commodity-sensitive shares.