港股午评：恒生科技指数涨1.15%，小米集团涨4.6%

Core Viewpoint - The Hong Kong stock market showed positive performance with the Hang Seng Index rising by 0.61% and the Hang Seng Tech Index increasing by 1.15% [1][2] Company Highlights - Xiaomi Group's stock price increased by 4.6%, surpassing 40 Hong Kong dollars [1][2] - Lei Jun invested over 100 million Hong Kong dollars to purchase 2.6 million shares of Xiaomi Group [1][2] - Hesai Technology's stock surged nearly 14% following the announcement of its self-developed RISC-V laser radar main control chip, Fermi C500 [1][2]