It is not exactly the snappiest name. The Private Intermittent Securities and Capital Exchange System – which, handily, can at least be shortened to Pisces – will create a new, lightly regulated platform for trading equities in the City. A private business will be allowed to sell some shares on one of the official platforms as and when it chooses, and investors can then trade them on if they wish to. In effect, it will allow private companies to use the plumbing of the stock market without the hassle and expense of a full-scale listing. The Financial Conduct Authority has finalised its rules for the market and the aim is for it to be up and running by the end of the year.

It will only be open to sophisticated, high-net-worth individuals, along with institutional investors, and is at least a sign that something is being done to address the exodus of companies from the stock market. Only this month, Wise, easily one of the most consistently successful technology companies in Europe, announced it was moving its primary listing from London to New York. That came only a few weeks after the Chinese fast-fashion giant Shein, a controversial but huge business, decided to list in Hong Kong instead of London. Overall, the number of companies listed in London has fallen from 2,400 a decade ago to just 1,600 now and, even worse, there are virtually no new listings to replace them, with only 18 initial public offerings (IPOs) last year, raising a mere £770 million. On current trends, the London market will have ceased to exist by the 2040s. Pisces is an attempt to reverse that.

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Three key flaws with Pisces