Rio Tinto is trading 8.14% down at $92.28, with no confirmed company-specific announcement explaining the after-hours decline.
- It closed at $100.46 on August 19, 2026.
- Earlier coverage highlighted positive Tomago Aluminium power news.
- Iron-ore forecasts were lowered amid weak Chinese demand and softer market sentiment, but those developments do not clearly explain the abrupt extended-hours move.