The Hang Seng Tech Index reflects the performance of Hong Kong's technology enterprises, covering sectors such as the Internet, e-commerce, software, and semiconductors. It tracks 30 leading technology companies and adjusts its constituent stocks quarterly. Related thematic indices include: the Hang Seng Semiconductor Industry Index, focusing on segments such as semiconductor design and manufacturing; the Hang Seng Hard Tech Index, covering hardware sectors such as smart vehicles and electronic devices; the Hang Seng Computing Power Theme Index and the Hang Seng Stock Connect Computing Power Theme Index, tracking companies related to computing power services and data centers; and the Hang Seng A-Share Semiconductor Materials Theme Index, reflecting the performance of the A-share semiconductor materials industry. These indices dynamically capture industry trends through specific stock selection criteria, with some indices calculated and published in real time.