Hong Kong is doubling down on efforts to increase its stock market’s exposure to the technology industry, as the city endeavours to catch up in the global artificial intelligence trade and potentially even challenge the Nasdaq. A slew of mainland Chinese hardware tech companies – particularly the makers of optical transceivers used in AI data centres – are lining up for stock offerings in the city after the debut of Zhongji Innolight last month, reshaping the dynamics of listings that, until...