Group 1 - The Hang Seng Index fell by 1.07%, down 270 points, closing at 24,906 points, while the Hang Seng Tech Index rose by 0.34% [1] - AI concept stocks showed strong performance, with multiple catalysts for AI applications in the second half of the year, indicating significant investment opportunities [1] - Notable gainers in AI stocks included Meitu Inc. (up 15.26%), Kingdee International (up 11.70%), and Kuaishou-W (up 8.98%) [1] Group 2 - Three-Six Pharmaceutical saw a rise of over 5% due to the overseas potential of SSGJ-707 being linked with Pfizer [2] - Huajian Medical surged over 10% after partnering with BGI to establish an innovative drug intellectual property tokenization fund [2] - Copper stocks declined across the board following Trump's announcement of a 50% tariff on imported semi-finished copper, with Zijin Mining falling by 4.93% [2]