Nexa Resources S.A. (NEXA) saw its stock price plummet by 5.37% during intraday trading on Monday. The sharp decline followed the company's release of detailed operational guidance and strategic updates.

The company published an investor presentation outlining its 2026 operational targets for key mines in Brazil and Peru, including production guidance for zinc, copper, lead, and silver. Notably, the presentation highlighted a significant reduction in the silver stream arrangement at its Cerro Lindo mine, cutting the streamed share from 65% to 25% starting April 2026, which increases the company's exposure to spot silver prices by approximately 40 percentage points.

Analysts have been actively assessing materials sector stocks including Nexa Resources, with mixed opinions emerging about the company's prospects. The combination of increased commodity price exposure and varied analyst sentiment appears to have driven investor caution during the trading session.