Trainline shares slump after profit slips on watchdog probe

Trainline’s profit slipped in the first half of the year after the ticket retailer was dragged down by a charge linked to an investigation from the UK competition watchdog. The rail ticketing platform recorded a £4m hit to its bottom line, which will cover legal fees and potential liabilities, following the Competition and Markets Authority (CMA) inquiry. The watchdog launched a formal probe in…