By Jess Jones London’s junior stock exchange should be ditched, according to a new report, as part of a “radical surgery” to save the UK’s ailing capital markets. The report by The Tony Blair Institute and centre-right think thank Onward has proposed the measure after it concluded that London’s markets are “not fit for purpose”. The London Stock Exchange (LSE) has become “dependent on legacy firms” with limited growth potential compared to tech businesses, the report said. AIM, the LSE’s junior market, has “failed in its stated purpose of providing a home for scaling businesses,” the authors a…