Next 15 shares plummet 50 per cent after major client exits contract Business Shares in digital communications firm Next 15 have plummeted by 50 per cent today after the business announced one of its biggest clients would not be renewing its contract. The London-listed company, which provides B2B marketing services, said its venture building division Mach49 was set to be down £80m in revenue in its 2026 financial [...]