Chinese technology companies seeking public listings are increasingly concentrated in areas where Beijing is trying to break its reliance on foreign technology, as years of US export controls reshape the country’s pipeline of stock market hopefuls. About 20 per cent of companies that have launched initial public offerings on Shanghai’s Star Market so far this year are engaged in tackling key technological “chokepoints” facing China, compared with just 8.1 per cent in 2022, according to a Morgan...