港股AI概念股涨幅扩大，智谱大涨21%，迅策、MINIMAX涨超10%

Group 1 - The core viewpoint of the news is that AI concept stocks in the Hong Kong market have seen significant price increases, with notable gains from companies like Zhiyu and Haizhi Technology [1] Group 2 - Zhiyu's stock price increased by 21.06%, reaching 615.000, with a total market capitalization of 27.42 billion and a year-to-date increase of 429.26% [2] - Haizhi Technology Group's stock rose by 20.25%, with a latest price of 144.300 and a total market value of 57.78 billion, marking a year-to-date increase of 433.26% [2] - Other companies such as Xunce and MINIMAX also experienced gains, with increases of over 10% [1][2]