London stock market rules shaken up in attempt to stop firms moving overseas

The shake-up comes after months of anxiety over an exodus of companies from the London Stock Exchange. Photograph: Toby Melville/Reuters

The City watchdog will trigger the biggest shake-up of London stock market rules in more than 30 years this month, in an attempt to make the UK a more attractive place to list shares.

The Financial Conduct Authority (FCA) confirmed on Thursday it would streamline and loosen rules for listed companies on 29 July, after months of hand-wringing over an exodus of companies from the London Stock Exchange for rival financial hubs.