ERO ▼ -6.3% - Ero Copper Corp. $ERO - Ero to Host 2026 Capital Markets Day Ero Copper announced it will host a 2026 Capital Markets Day, but the stock fell 6.3% today. The decline suggests investors may have been disappointed by the timing of the announcement or other market factors, though the headline itself provides no explanation for the intraday move. 01-SEP-2026 05:05 PM ET