港股午评：三大指数再刷阶段新高，生物医药股涨幅继续，黄金股领衔有色金属股回调

Market Performance - The Hong Kong stock market opened higher but experienced a brief decline before recovering near midday, reaching new short-term highs [1] - As of midday, the Hang Seng Index rose by 0.07%, the Hang Seng China Enterprises Index increased by 0.1%, and the Hang Seng Tech Index gained 0.39% [1] Sector Performance - Major technology stocks mostly showed an upward trend, with Meituan rising over 2%, NetEase nearly 2%, Baidu and Xiaomi up by 1%, while Tencent remained positive and JD.com fell over 1% [1] - Biopharmaceutical stocks saw significant gains, with Yaojie Ankang soaring over 47% and Tongyuan Kang Pharmaceutical rising over 37% [1] - Brain-computer interface concept stocks surged, with Brain Dynamics leading with a rise of over 42% [1] - Other sectors such as sports goods, tourism, solar energy, aviation, automotive, and dining stocks generally performed well [1] Weak Performers - Conversely, gold stocks, which had been rising, led a decline in the non-ferrous metal sector, while internet healthcare, paper, Apple concept stocks, Chinese brokerage firms, insurance, domestic property, home appliances, and oil stocks showed weak performance [1] New Listings - Hesai Technology, described as a "global leader in lidar," saw its stock rise over 10% on its first day of trading [1]