Technology stocks delivered a mixed but news-dense session, headlined by Halma's largest recent bolt-on as it moves into water quality monitoring. Elsewhere, turnaround stories dominated: TT Electronics upgraded profit guidance on margin gains, Touchstar swung to positive earnings, and Corero Network Security landed fresh telecoms contracts, while smaller names Quantum Blockchain Technologies and Truetide reported funding and portfolio progress respectively.
Halma buys US water group Pyxis for up to $200m
Halma (LSE:HLMA) is expanding into water quality monitoring with the acquisition of Pyxis, a Texas-based specialist in sensors and connected systems that measure critical water parameters for industrial, municipal and environmental customers. The deal extends Halma's Environmental & Analysis sector into a niche that supports compliance with environmental standards, a theme that runs through much of the group's portfolio. Shares in Halma ticked up 0.68% to 3552.0p as the market digested the news.
The initial cash consideration for the three Pyxis entities totals $170m, funded from Halma's existing facilities, with a further earn-out of up to $30m payable through to March 2029 depending on performance. Pyxis, founded in 2013 and headquartered near Houston, forecasts unaudited revenue of roughly $39m for the year to March 2027, putting the upfront price at roughly 4.4 times forecast revenue. The business will operate standalone within Halma's existing structure, retaining its current management team.
"Pyxis is a high-quality business with a strong track record of growth and a clear focus on innovation. Its technologies address critical challenges in water quality monitoring with solutions that are highly valued by its customers," said Marc Ronchetti, chief executive of Halma.
The transaction is textbook Halma: a profitable, founder-led niche operator bought at a multiple consistent with the group's long-run acquisition discipline, left largely intact under its existing leadership. At $170m upfront against an annual investment run-rate north of £600m, the deal is easily absorbed by the balance sheet, but it signals continued appetite for compliance-driven monitoring technology even as growth-by-acquisition remains central to the investment case.
Quantum Blockchain Technologies raises funds for AI bitcoin mining tool
Quantum Blockchain Technologies (AIM:QBT) has raised £350,000 before expenses through a placing of 140m new shares at 0.25p each, a discount that weighed on the stock, down 16.9% to 0.27p. The placing shares represent roughly 8.7% of the enlarged share capital, which will reach 1.75bn shares on admission, underscoring the dilution investors are absorbing to fund the next stage of development.
Proceeds will support continued work on the company's Method C AI Oracle software and efforts to bring its newly granted US patent for ASIC Ultra Boost to market readiness, including nanometre-scale data collation ahead of any commercial discussions with ASIC manufacturers. Additional funds are earmarked for integration work with mining hardware and software, business development, and general working capital.
"The placing provides the company with additional working capital to support the development and testing activities required to bring our proprietary Bitcoin mining technologies to market," said Francesco Gardin, chief executive. The raise buys runway rather than validation, the technology remains pre-commercial, and the sharp share price fall reflects the dilution cost of funding that runway rather than any judgement on the underlying patent portfolio.
Touchstar swings to profit in H1
Touchstar (AIM:TST) expects first-half revenue of approximately £3.4m, flat on the prior year, but the more telling shift was in earnings: adjusted EBITDA turned positive at £0.03m, reversing a £0.24m loss a year earlier, even as the pre-tax loss held steady at £0.1m. Shares fell 11.8% to 75.0p despite the improvement, with annual recurring revenue up 4.6% to £1.6m and the order book growing to £2.63m.
Cash net of overdraft held at £2.0m year-on-year, though gross margin eased to 46% from an adjusted 48%. The board flagged a softer second half on customer decision-making delays tied to the broader economic environment, but said the full-year loss should now come in below current market expectations. The period also saw Touchstar cease standalone development of its PODStar platform.
"The transformation has proved more extensive than initially anticipated, with additional legacy issues and organisational change requiring attention," said Lynden Jones, head of engineering. That admission points to a turnaround still mid-course: the earnings improvement is real, but the scale of legacy issues being uncovered suggests the path back to consistent profitability remains longer than initially scoped.
TT Electronics lifts full-year profit outlook after margin surge
TT Electronics (LSE:TTG) now expects full-year adjusted operating profit ahead of market expectations after a sharp first-half margin improvement, sending shares up 11.7% to 150.8p. The electronics manufacturer, which serves aerospace, defence and industrial customers, posted adjusted operating profit of £18.5m for the six months to 30 June, up 37% organically from £13.5m.
Adjusted operating margin expanded 230 basis points to 8.1%, driven by the completed turnaround at the Cleveland facility and a return to profitability at the Components division following the closure of its loss-making Plano site. Revenue fell 2.7% organically to £228.1m, though it rose 4% excluding Plano, and order momentum has the board pointing to a return to revenue growth in the second half.
"TT is a stronger and more resilient business than it was twelve months ago," said chief executive Eric Lakin. The margin gains are structural rather than cyclical, closures and site-level turnarounds rather than volume recovery, which gives the upgrade more credibility than a simple demand rebound would, even with organic revenue still contracting.
Corero wins telecoms deal and NeoCloud contract
Corero Network Security (AIM:CNS) has secured a five-year, $3.4m contract with a UK Tier-1 telecoms provider alongside a separate $0.5m NeoCloud deal, news that lifted shares 10.3% to 8.0p. The combined wins add roughly $3.9m in contracted revenue for the DDoS protection specialist.
The telecoms deal's multi-year term provides visibility that shorter-duration cloud contracts typically lack, while the NeoCloud win extends Corero's footprint into next-generation cloud infrastructure providers, a customer segment increasingly exposed to large-scale DDoS threats.
Truetide's Paraytec advances sepsis test as Gyrometric completes bearing project
Truetide (AIM:TRUE) reported progress across two portfolio companies, with shares easing 0.74% to 3.226p. Paraytec identified a molecule that could speed up sepsis diagnosis, a potential step forward for its diagnostics work, while Gyrometric completed a US-UK wind turbine bearing monitoring project.
The dual updates reflect Truetide's model of incubating early-stage technology businesses across diagnostics and industrial monitoring, with the sepsis finding representing the more commercially significant milestone given the scale of demand for faster infection diagnostics in clinical settings.
