A wave of companies is leaving the UK's Alternative Investment Market, with a third of AIM's top 30 firms either moving to the main market or planning to do so. Gamma Communications exemplifies the risks, seeing its share price halve since announcing its main market move 16 months ago. The business phone systems provider faces slowing UK growth and the loss of legacy copper network revenue.

Bellway shares plunged 12% after a 0.5 percentage point drop in operating margins, though net private reservations per outlet improved to 0.7 in early 2025. The housebuilder's shares have fallen over 30% in a month, trading at 0.6 times book value. Finance chief Shane Doherty called for government support for first-time buyers amid rising mortgage rates.

Kingfisher delivered results in line with upgraded guidance, with UK sales growing 4.2% on volume. The DIY retailer's focus on trade customers shows promise, with trade sales hitting 30% of group revenue. Management raised its 2026 pre-tax profit expectations to £565-£625 million, though European operations continue to weigh on performance.