Red Mountain Mining jumps on Thompson Falls Antimony Project acquisition

Shares of Australia's Red Mountain Mining RMX.AX soar as much as 24% to A$0.031, their highest level since November 17, 2025

Marks steepest intraday rise since January 23

Critical minerals and gold explorer acquires Thompson Falls Antimony Project, adjacent to United States Antimony Corporation’s UAMY.A operations which are crucial to the US critical minerals supply chain

Initial batch of assay results shows grades of up to 36.5% antimony and 0.65g/t gold at the project

Stock is up 16% YTD, including the session's moves