Mainland Chinese investors bought more Hong Kong stocks than they sold for a second consecutive month in July, rotating into the undervalued market to take shelter from the tumult in artificial intelligence-linked shares. Onshore traders purchased a total of HK$62.9 billion (US$8.02 billion) worth of Hong Kong stocks through the cross-border Stock Connect programme last month, extending the HK$27.1 billion worth of buying in June, according to data compiled by the Hong Kong exchange. Z.ai,...