Joiners: Great Southern Copper plc (GSCU.L) joins AIM. The Company successfully raised £3.5m. Mkt Cap £10.6m Leavers: Zoltav Resources leaves AIM. What’s cooking in the IPO kitchen? Hydrogen Utopia International PLC (HUI), to join Access Segment of the Aquis Stock Exchange. The company aims to become one of the leading new European companies specialising in turning Non-Recyclable Mixed Waste Plastic into carbon-free fuels, new materials or distributed renewable heat. HUI’s activities will range ....