港股市场开盘表现 - 恒生指数低开0.25% [1] - 恒生科技指数低开0.68% [1] 矿业股开盘表现 - 矿业股整体低开 [1] - 紫金黄金国际低开1.68% [1] - 紫金矿业低开1.82% [1]