Two AI stocks both surged significantly, Zhipu broke 1400, MiniMax soared to 850, and the quick gains from being included in the index came really fast.

Hang Seng Quarterly Review Includes Zhipu (02513.HK) and MiniMax (00100.HK) in the Hang Seng Tech Index, effective June 8. Both stocks rose simultaneously, with Zhipu closing up 5.95% at 1,425 HKD, reaching a high of 1,468, with a market capitalization of 635.33B HKD and a turnover of 1.38B; MiniMax increased 10.53% to 850 HKD, reaching a high of 856, with a market capitalization of 266.59 billion HKD and a turnover of 2.76B. Analysts say inclusion in the index boosts attention and passive fund buying, providing liquidity support.