IPOChinese optical parts maker's Hong Kong debut overshadowed by tech buildout worriesZhongji Innolight's Chairman and President Liu Sheng, center, attends a listing ceremony with other executives in Hong Kong on July 30. (Photo by Gloria Li)GLORIA LIJuly 30, 2026 10:48 JSTUpdated on July 30, 2026 14:22 JSTHONG KONG -- Shares in China's Zhongji Innolight fell in their Hong Kong debut on Thursday, after the supplier of key AI-related equipment raised HK$53.4 billion ($6.8 billion) in Asia's second-biggest listing so far this year.