Copper Rally: Brazil's Ero Copper Soars 7% as Market Cap Increases by 350 Billion Won in a Day

Ero Copper Corp. (NYSE: ERO) surged 7.01% on the New York Stock Exchange on the 14th, closing at $31.45. Trading volume climbed to about 1.08 million shares, and its market capitalization rose by roughly $247 million in a single day to approximately $3.28 billion (₩4.6 trillion).

In early May, the company reported its first-quarter 2026 results, which fell short of market expectations. Nonetheless, its emphasis on debt reduction and an improved financial structure drove the stock up more than 7% immediately after the announcement, underscoring continued confidence in its growth story (za.investing.com).

In February, Ero Copper released a preliminary economic assessment for its Furnas copper-gold project in Pará, Brazil. The study outlined a 24-year mine life and a low-capital-intensity development plan, attracting investor interest as a core medium- to long-term growth catalyst (nasdaq.com).

Headquartered in Vancouver, Canada, Ero Copper is a Brazil-focused copper and gold producer operating the Caraíba and Tucumã copper mines and the Javantina gold mine. The company is simultaneously pursuing production expansion and cost-efficiency improvements (nasdaq.com).

With record-high copper prices driven by electric-vehicle and power-grid investments amid global supply disruptions, credit rating agencies expect Ero Copper’s 2026 EBITDA to grow significantly year-over-year. They view the company as well positioned to benefit from ongoing deleveraging alongside a growth-stock valuation premium (investing.com).