British personal computer maker Raspberry Pi confirmed its plan for an initial public offering in London, marking a small step for the city that’s fallen behind a broader listings revival in Europe.The offering will consist of new shares to raise $40 million and existing shares sold by stakeholders, the company said in a statementBloomberg Terminal Wednesday. Raspberry Pi, which is controlled by a charitable foundation, expects to list on the main market of the London Stock Exchange in June, it ...