Celsius Resources (LON: CLA) has executed a binding sale agreement with Chinalco (Xiong’an) Mining Corporation for the disposal of 95% of the Opuwo cobalt copper project in Namibia for $15m. The mineral resource estimate is 225.5 million tonnes at 0.12% cobalt, 0.43% copper and 0.54% zinc. The disposal will allow Celsius Resources to focus on Philippine assets. The share price jumped 36.4% to 0.375p.
Sunda Energy (LON: SNDA) is acquiring New Zealand oil and gas producer Matahio, which owns four petroleum mining permits and one exploration permit on the North Island, and the approvals process is continuing. Completion could be in September. Overall average production for the first five months of 2026 is 1,036 barrels of oil equivalent per day. The first tranche of £1.25 of convertible loan notes was drawn down at the end of April. Sunda Energy has not drawn down the second tranche of £1.5m because of the stronger than expected oil price. The third tranche of £1.5m is still available. Sunda Energy is evaluating its option for the Production Sharing Contract TL-SO-19-16 in Timor-Leste following the receipt of a letter of notice of intention to terminate. The share price rebounded 25.7% to 1.4p.
Renalytix (LON: RENX) has published a real world data study for KidneyintelX risk stratification and that shows that better kidney protection and reduction of patient risk trajectories over 23 months. There were 29% of candidates that moved to a lower risk category while using the test, which helps to identify patients that require more intensive treatment. The share price recovered 21.1% to 2.3p.
RUA Life Sciences (LON: RUA) increased interim revenues by 6% to £2.7m. There was cash of £2.4m at the end of March 2026. The medical materials and devices developer could get near to breakeven for the full year. The spin out and deconsolidation of RUA Structural Heart is in progress and that will save £500,000 each year. The share price increased 7.04% to 19p.
FALLERS
Online retailer Huddled Group (LON: HUD) has raised £1.24m at 0.4p/share via subscription. A retail offer could raise a further £100,000. The cash will be spent on increasing stock levels and on marketing activity. Management believes that this should take the business to cash flow positive. The share price slumped 41.2% to 0.5p.
Precision diagnostic tests provider Oxford BioDynamics (LON: OBD) has appointed Richard Compton, who was boss of Oxford Nanopore technologies, as chief executive and executive chairman Iain Ross will become non-executive. Cash was £1.38m at the end of May 2026. In the first half the cash used in operating activities was £4.47m. Oxford BioDynamics has entered an agreement with MK Commercial to boost the sales presence in the US without the need to increase fixed costs. The share price declined 30% to 0.105p.
Blue Star Capital (LON: BLU) reported an increased pre-tax loss of £577,000, up from £108,000. The NAV was 5p/share at the end of March 2026. Since then, £250,000 was raised at 7p/share. Investee company SatoshiPay is building decentralised exchange platform Vortex. The share price slipped 21.7% to 4.5p.
Guardian Metal Resources (LON: GMET) says a pre-feasibility study for the Pilot Mountain tungsten project in Nevada shows a base case after-tax NPV of $660.3m. That is based on a tungsten price of $197,300 per tonne. The project is estimated to produce 15,916 tonnes of tungsten over eight years. The capital payback could be one year. The share price fell 9.09% to 200p.