In a decisive trade move against China’s semiconductor industry, the US Trade Representative Office said it had determined that Beijing’s drive for dominance in the sector is “unreasonable and discriminatory” and poses a direct threat to US commerce. In a formal Notice of Action filed with the Federal Register, the agency said the US is implementing a tariff action on a wide range of Chinese semiconductors, with an initial rate of 0 per cent. The rate is set to rise in 18 months, on June 23,...