China’s chip champions channelled a larger proportion of revenue into research and development (R&D) than their US peers, first-quarter earnings show, as Beijing presses ahead with its tech self-reliance drive amid an artificial intelligence boom. Beijing-based Moore Threads spent half of its revenue on R&D in the quarter ended March 2026, while Shanghai-based MetaX spent 45 per cent over the same period, according to exchange filings. By contrast, US chipmakers such as AMD and Intel have...