Shanghai-based artificial intelligence chip start-up MetaX has stepped into the spotlight after winning approval last week from Shanghai’s exchange to list on the city’s Nasdaq-style Star Market, underscoring both China’s accelerating AI investment and its potential to challenge US chip giant Nvidia. Known in Chinese as Muxi, MetaX was founded in 2020 by three veterans of US chipmaker Advanced Micro Devices (AMD) – chairman Chen Weiliang and co-chief technology officers Peng Li and Yang Jian....