CHINA’S ECONOMIC planners want more home-made semiconductors, but they are not satisfied with more chips simply being produced at home. They want to bring the entire supply chain—from raw materials and chip grinders to labour and capital—onshore. Tens of thousands of companies have established microchip businesses over the past year. Now the state is rushing to ensure such cash-hungry firms can raise capital at home, too.

On September 2nd Xi Jinping, China’s president, announced that a new