Investors sold shares amid concerns a national ticketing app could hurt the firm’s current dominant position in the market.

Trainline shares plunge 13% despite rising sales and a new share buyback, as fears over UK state-backed competitor Great British Rail persist.

Jody Ford is CEO at Trainline. To compete in the global market, we need changes to regulation and funding. On the railways, our current model is in need of reform, but choice is still essential in ...