Investor frustration is growing with Hong Kong’s technology index, as the benchmark’s prolonged slide contrasts sharply with the soaring share prices of several Chinese AI firms that recently went public in the city.The Hang Seng Tech Index – a gauge of Hong Kong-listed tech companies that was once seen as China’s answer to the Nasdaq – has come under pressure in recent months, and the index’s poor performance has drawn even more scrutiny amid the wider surge in Chinese artificial intelligence stocks.“Please save Hang Seng Tech,” one user commented on a recent post by the Securities and Futures Commission of…