Enflame Technology, one of China’s leading AI chipmakers, has sparked a retail frenzy for its 6.12 billion yuan (US$910.9 million) initial public offering in Shanghai’s tech-heavy Star Market, underscoring growing investor appetite for home-grown alternatives to Nvidia. The Tencent Holdings-backed chipmaker saw the retail portion of its IPO oversubscribed by 4,073 times, with about 7 million online investors alone submitting orders for 42.1 billion shares, according to its filing to the exchange...