Chinese start-up Zhipu AI headlined a trio of technology new listings in Hong Kong on Thursday, in a key test of investor confidence in China’s AI industry as it goes head to head with US giants. Shares of the Beijing-based company rose 3.3 per cent to HK$120 at the open from the initial public offering (IPO) price of HK$116.20, valuing the company at HK$52.83 billion (US$6.76 billion). Zhipu raised HK$4.35 billion as it became the first pure-play Chinese developer of AI large language models to...