港股早评：三大指数高开，铜业股领衔有色金属股上涨，半导体股强势

Group 1 - The Hong Kong stock market opened higher after a 2.5-day closure for the Christmas holiday, with the Hang Seng Index rising by 0.43%, the National Index increasing by 0.59%, and the Hang Seng Tech Index up by 0.88% [1] - Major technology stocks mostly saw gains, with copper reaching a historical high, leading to a rise in copper-related stocks, particularly Jiangxi Copper, which surged by 10% [1] - Semiconductor stocks performed strongly, with Shanghai Fudan leading the charge with a 12.9% increase, while robotics, duty-free, and lithium battery stocks also experienced gains, including a nearly 7% rise in China Duty Free Group [1] Group 2 - Food and beverage stocks, along with property management stocks, experienced declines [1]