Ero Copper Corp. Outpaces Market Amidst Broader Declines Ero Copper Corp. (ERO) saw a modest gain of 0.08% in its latest trading session, standing out as the S&P 500, Dow, and Nasdaq all posted significant losses. Analysts anticipate strong year-over-year growth in the company’s forthcoming earnings report, with revenue expected to rise by 49.34% and EPS by 12.5%.1