Hetzer Medical Indonesia is trading at IDR 97, up 34.72%, amid a health-sector rally linked to volcanic ash from the Anak Krakatau eruption.
- Ash spread across Banten, Jakarta, West Java, and Lampung, raising concerns about respiratory irritation and eye problems.
- IDXHealth rose 2.45%; no separate company-specific announcement was identified.
- Unusually strong trading activity supported the sector-driven move.