A positive AGM statement from photonics company Gooch & Housego (LON: GHH) revealed a 18% increase in the order book to £168m. All divisions contributed, but aerospace and defence grew fastest. This suggests a stronger second half. Cavendish is maintaining its forecast for the time being, although it has added a 2026-27 forecast. This year a pre-tax profit of £16.2m is expected, rising to £19.3m next year. The share price gained 7.8% to 815p.
Blue Star Capital (LON: BLU) says there was a reduction of £347,000 in the value of investment in the year to September 2025. Because of cash raised during the year the NAV has risen from £937,000 to £2.87m. The stake in SatoshiPay was increased and is worth £1.53m. The share price increased 5.88% to 9p.
Armstrong Investments has acquired a 3.16% stake in Renalytix (LON: RENX). The share price rose 3.57% to 3.625p.
SRT Marine Systems (LON: SRT) has won a $20.5m follow-on contract with an unnamed sovereign customer. The share price improved 1.2% to 84p.
FALLERS
Last year, Karelian Diamond Resources (LON: KDR) used £114,000 of cash in operations and capitalised £107,000 of exploration spending. This was broadly covered by a fundraising during the year. Cash was £28,000 at the end of November 2025. A copper target has been identified in Northern Ireland. Diamond exploration continues in Finland, and the company is waiting for retail sentiment to improve. The share price fell by one-fifth to 0.4p.
Graphene technology developer Directa Plus (LON: DCTA) continues to discuss a non-dilutive €4m loan from major shareholder Nant Capital. Land held by Setcar may be sold for €500,000 and it is making annualised cost savings of €500,000. Corporate costs have been reduced by €150,000. Finance director Giorgio Bonfanti is leaving. The share price declined 5.56% to 12.75p.
Frontier Developments (LON: FDEV) founder David Braben has sold 15,000 shares at 401.61p. This is part of the video games developer’s share buyback. The share price dipped 2.87% to 397.75p.
Atome (LON: ATOM) says final investment decision for the $630m Villeta fertiliser project in Paraguay has been delayed until March. Management is in negotiations with potential funders and partners. A special purpose vehicle will be set up for the project. The share price slid 2.78% to 52.5p.